Houston ZIP Code Map

Search 178 Houston ZIP codes by local area, Harris County postal place, or coordinates. Includes printable maps for North, South, East, and West Houston.

Houston ZIP Codes at a Glance

Houston, TX has 178 ZIP entries in this reference dataset, covering ZIP codes from Downtown and Midtown to the Heights, Galleria, East End, north Houston, and far west Houston. These rows are associated with Houston postal-place records in Harris County; the broader Houston metro also includes ZIP codes in Fort Bend, Montgomery, Brazoria, and Galveston counties. Use a full street address for exact USPS delivery lookup.

ZIP entries
178
Primary county
Harris County
Common ZIPs
77001, 77002, 77003, 77004, 77005, 77006, 77007, 77008, 77009, 77010

About ZIP codes in Houston

Houston is a large, spread-out city where ZIP code lookup often matters for delivery routes, service areas, real estate searches, insurance forms, and local business coverage. A single Houston address can be near several recognizable areas, including Downtown, the Texas Medical Center, the Galleria, the Heights, Montrose, East End, or Clear Lake-area corridors. Use this page as a citywide reference, then confirm the final ZIP code with a complete address.

How to Use This ZIP Code Map

Use the map to get your bearings across Houston's 670+ square miles. The directional maps for North, South, East, and West Houston help you narrow the view before you check the full table. Once you spot the area, use the ZIP code table for coordinates and map links, then verify the ZIP with a full address in USPS lookup before mailing.

Data quality note: Some ZIP entries share the same coordinate point in the source dataset. This usually means the data uses a postal-place centroid or a special-use/PO Box reference rather than an exact ZIP boundary. This page maps ZIP coordinate points, not official USPS delivery boundaries.

Browse more cities in Texas ZIP Code Maps.

Houston ZIP Code Map

Use the main Houston ZIP code map for a citywide view, then use the North, South, East, and West maps to focus on one part of the city. Houston covers a very large area, so directional maps make the ZIP code points easier to scan. These maps are reference graphics based on postal coordinates, not official USPS boundary maps.

ZIP point reference map for Houston, TX. The map uses postal code coordinates from the source dataset and does not represent official USPS ZIP boundaries.
North Houston ZIP code map
North Houston ZIP code point map, useful for ZIPs around the north side and airport corridors.
South Houston ZIP code map
South Houston ZIP code point map, useful for southern city ZIPs and airport-area corridors.
East Houston ZIP code map
East Houston ZIP code point map, useful for east-side ZIPs and industrial or waterfront corridors where applicable.
West Houston ZIP code map
West Houston ZIP code point map, useful for west-side residential, business, and suburban-edge ZIPs.

Printable Houston ZIP Code Map

For a printable Houston ZIP code map, open the main map or one of the directional maps in a larger view and use your browser print dialog. Choose the citywide map for a broad reference, or print the North, South, East, or West map when you only need one part of Houston. Treat printed copies as planning references, not official USPS boundary maps.

Houston ZIP Code Table

The table lists Houston ZIP entries with county, coordinates, and quick links for Google Maps and Waze. Regular delivery ZIPs, PO Box ZIPs, and other special-use ZIP entries can appear together in the source data, so use a full street address when the exact delivery ZIP matters.

ZIP CodePostal placeTypeCountyCoordinatesMap
77001HoustonStandard / address lookupHarris County29.8131, -95.3098GoogleWaze
77002HoustonStandard / address lookupHarris County29.7594, -95.3594GoogleWaze
77003HoustonStandard / address lookupHarris County29.7489, -95.3391GoogleWaze
77004HoustonStandard / address lookupHarris County29.7247, -95.3625GoogleWaze
77005HoustonStandard / address lookupHarris County29.7179, -95.4263GoogleWaze
77006HoustonStandard / address lookupHarris County29.7409, -95.3923GoogleWaze
77007HoustonStandard / address lookupHarris County29.7736, -95.4034GoogleWaze
77008HoustonStandard / address lookupHarris County29.7991, -95.4118GoogleWaze
77009HoustonStandard / address lookupHarris County29.7936, -95.3675GoogleWaze
77010HoustonStandard / address lookupHarris County29.7543, -95.3609GoogleWaze
77011HoustonStandard / address lookupHarris County29.7420, -95.3073GoogleWaze
77012HoustonStandard / address lookupHarris County29.7149, -95.2819GoogleWaze
77013HoustonStandard / address lookupHarris County29.7842, -95.2301GoogleWaze
77014HoustonStandard / address lookupHarris County29.9796, -95.4625GoogleWaze
77015HoustonStandard / address lookupHarris County29.7853, -95.1852GoogleWaze
77016HoustonStandard / address lookupHarris County29.8579, -95.3032GoogleWaze
77017HoustonStandard / address lookupHarris County29.6863, -95.2555GoogleWaze
77018HoustonStandard / address lookupHarris County29.8272, -95.4266GoogleWaze
77019HoustonStandard / address lookupHarris County29.7517, -95.4054GoogleWaze
77020HoustonStandard / address lookupHarris County29.7758, -95.3121GoogleWaze
77021HoustonStandard / address lookupHarris County29.6954, -95.3562GoogleWaze
77022HoustonStandard / address lookupHarris County29.8299, -95.3769GoogleWaze
77023HoustonStandard / address lookupHarris County29.7242, -95.3178GoogleWaze
77024HoustonStandard / address lookupHarris County29.7696, -95.5201GoogleWaze
77025HoustonStandard / address lookupHarris County29.6889, -95.4341GoogleWaze
77026HoustonStandard / address lookupHarris County29.7972, -95.3288GoogleWaze
77027HoustonStandard / address lookupHarris County29.7396, -95.4460GoogleWaze
77028HoustonStandard / address lookupHarris County29.8297, -95.2879GoogleWaze
77029HoustonStandard / address lookupHarris County29.7630, -95.2567GoogleWaze
77030HoustonStandard / address lookupHarris County29.7041, -95.4010GoogleWaze
77031HoustonStandard / address lookupHarris County29.6581, -95.5413GoogleWaze
77032HoustonStandard / address lookupHarris County29.9368, -95.3299GoogleWaze
77033HoustonStandard / address lookupHarris County29.6686, -95.3382GoogleWaze
77034HoustonStandard / address lookupHarris County29.6364, -95.2216GoogleWaze
77035HoustonStandard / address lookupHarris County29.6518, -95.4854GoogleWaze
77036HoustonStandard / address lookupHarris County29.6984, -95.5405GoogleWaze
77037HoustonStandard / address lookupHarris County29.8892, -95.3935GoogleWaze
77038HoustonStandard / address lookupHarris County29.9196, -95.4386GoogleWaze
77039HoustonStandard / address lookupHarris County29.9067, -95.3334GoogleWaze
77040HoustonStandard / address lookupHarris County29.8744, -95.5278GoogleWaze
77041HoustonStandard / address lookupHarris County29.8602, -95.5817GoogleWaze
77042HoustonStandard / address lookupHarris County29.7404, -95.5589GoogleWaze
77043HoustonStandard / address lookupHarris County29.8052, -95.5607GoogleWaze
77044HoustonStandard / address lookupHarris County29.8635, -95.1976GoogleWaze
77045HoustonStandard / address lookupHarris County29.6297, -95.4382GoogleWaze
77046HoustonStandard / address lookupHarris County29.7330, -95.4306GoogleWaze
77047HoustonStandard / address lookupHarris County29.6254, -95.3750GoogleWaze
77048HoustonStandard / address lookupHarris County29.6321, -95.3416GoogleWaze
77049HoustonStandard / address lookupHarris County29.8235, -95.1848GoogleWaze
77050HoustonStandard / address lookupHarris County29.9015, -95.2848GoogleWaze
77051HoustonStandard / address lookupHarris County29.6579, -95.3688GoogleWaze
77052HoustonStandard / address lookupHarris County29.7633, -95.3633GoogleWaze
77053HoustonStandard / address lookupHarris County29.5962, -95.4587GoogleWaze
77054HoustonStandard / address lookupHarris County29.6852, -95.4017GoogleWaze
77055HoustonStandard / address lookupHarris County29.7971, -95.4958GoogleWaze
77056HoustonStandard / address lookupHarris County29.7446, -95.4683GoogleWaze
77057HoustonStandard / address lookupHarris County29.7422, -95.4903GoogleWaze
77058HoustonStandard / address lookupHarris County29.5716, -95.0998GoogleWaze
77059HoustonStandard / address lookupHarris County29.5975, -95.1134GoogleWaze
77060HoustonStandard / address lookupHarris County29.9335, -95.3981GoogleWaze
77061HoustonStandard / address lookupHarris County29.6652, -95.2790GoogleWaze
77062HoustonStandard / address lookupHarris County29.5721, -95.1303GoogleWaze
77063HoustonStandard / address lookupHarris County29.7348, -95.5220GoogleWaze
77064HoustonStandard / address lookupHarris County29.9190, -95.5569GoogleWaze
77065HoustonStandard / address lookupHarris County29.9319, -95.6106GoogleWaze
77066HoustonStandard / address lookupHarris County29.9610, -95.4947GoogleWaze
77067HoustonStandard / address lookupHarris County29.9547, -95.4522GoogleWaze
77068HoustonStandard / address lookupHarris County30.0069, -95.4897GoogleWaze
77069HoustonStandard / address lookupHarris County29.9863, -95.5208GoogleWaze
77070HoustonStandard / address lookupHarris County29.9781, -95.5803GoogleWaze
77071HoustonStandard / address lookupHarris County29.6518, -95.5176GoogleWaze
77072HoustonStandard / address lookupHarris County29.6990, -95.5862GoogleWaze
77073HoustonStandard / address lookupHarris County30.0198, -95.4087GoogleWaze
77074HoustonStandard / address lookupHarris County29.6896, -95.5106GoogleWaze
77075HoustonStandard / address lookupHarris County29.6223, -95.2600GoogleWaze
77076HoustonStandard / address lookupHarris County29.8580, -95.3834GoogleWaze
77077HoustonStandard / address lookupHarris County29.7477, -95.6030GoogleWaze
77078HoustonStandard / address lookupHarris County29.8497, -95.2582GoogleWaze
77079HoustonStandard / address lookupHarris County29.7738, -95.5980GoogleWaze
77080HoustonStandard / address lookupHarris County29.8159, -95.5230GoogleWaze
77081HoustonStandard / address lookupHarris County29.7119, -95.4845GoogleWaze
77082HoustonStandard / address lookupHarris County29.7223, -95.6285GoogleWaze
77083HoustonStandard / address lookupHarris County29.6947, -95.6511GoogleWaze
77084HoustonStandard / address lookupHarris County29.8440, -95.6623GoogleWaze
77085HoustonStandard / address lookupHarris County29.6218, -95.4819GoogleWaze
77086HoustonStandard / address lookupHarris County29.9227, -95.4939GoogleWaze
77087HoustonStandard / address lookupHarris County29.6876, -95.3011GoogleWaze
77088HoustonStandard / address lookupHarris County29.8817, -95.4539GoogleWaze
77089HoustonStandard / address lookupHarris County29.5940, -95.2218GoogleWaze
77090HoustonStandard / address lookupHarris County30.0167, -95.4470GoogleWaze
77091HoustonStandard / address lookupHarris County29.8534, -95.4435GoogleWaze
77092HoustonStandard / address lookupHarris County29.8324, -95.4720GoogleWaze
77093HoustonStandard / address lookupHarris County29.8617, -95.3403GoogleWaze
77094HoustonStandard / address lookupHarris County29.7705, -95.7107GoogleWaze
77095HoustonStandard / address lookupHarris County29.8941, -95.6481GoogleWaze
77096HoustonStandard / address lookupHarris County29.6722, -95.4861GoogleWaze
77098HoustonStandard / address lookupHarris County29.7350, -95.4118GoogleWaze
77099HoustonStandard / address lookupHarris County29.6709, -95.5866GoogleWaze
77201HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77202HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77203HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77204HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77205HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77206HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77207HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77208HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77209HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77210HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77212HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77213HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77215HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77216HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77217HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77218HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77219HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77220HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77221HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77222HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77223HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77224HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77225HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77226HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77227HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77228HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77229HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77230HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77231HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77233HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77234HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77235HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77236HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77237HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77238HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77240HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77241HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77242HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77243HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77244HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77245HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77248HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77249HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77251HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77252HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77253HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77254HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77255HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77256HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77257HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77258HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77259HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77261HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77262HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77263HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77265HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77266HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77267HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77268HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77269HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77270HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77271HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77272HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77273HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77274HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77275HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77277HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77279HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77280HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77282HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77284HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77287HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77288HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77289HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77290HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77291HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77292HoustonPO Box / special useHarris County29.7443, -95.3326GoogleWaze
77293HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze
77297HoustonPO Box / special useHarris County29.7633, -95.3633GoogleWaze
77299HoustonPO Box / special useHarris County29.8340, -95.4342GoogleWaze

Houston ZIP Codes by Local Area

Houston ZIP codes are easier to scan when they are tied to recognizable parts of the city. These local area notes highlight common ZIP ranges and landmarks, but they are not official neighborhood boundaries.

Downtown and central Houston

77002, 77003, 77010

Downtown Houston and nearby central business districts often use ZIP codes such as 77002, 77003, and 77010. Use these as starting points for office, hotel, civic, and central-city address checks.

Midtown, Montrose, and inner-loop west

77004, 77006, 77019, 77098

Central neighborhoods west and southwest of Downtown commonly involve ZIP codes such as 77004, 77006, 77019, and 77098. These areas are close enough that address-level lookup is important.

The Heights and north inner loop

77007, 77008, 77009, 77018

The Heights, Washington Avenue corridor, and north inner-loop areas commonly overlap with ZIP codes including 77007, 77008, 77009, and 77018.

Texas Medical Center and Museum District area

77021, 77025, 77030, 77054

Medical Center, Museum District, and nearby south-central Houston searches often involve 77021, 77025, 77030, and 77054. Check the exact institution or street address before using a ZIP for delivery.

Galleria, Uptown, and west Houston

77024, 77027, 77056, 77057, 77063, 77077

Uptown, Galleria, Memorial-area, and west Houston address searches often include ZIP codes such as 77024, 77027, 77056, 77057, 77063, and 77077.

East End, ship channel, and east Houston

77011, 77012, 77015, 77020, 77023, 77029

East Houston and ship-channel-adjacent searches commonly involve ZIP codes such as 77011, 77012, 77015, 77020, 77023, and 77029.

North Houston and airport corridors

77032, 77037, 77060, 77073, 77090

North Houston and airport-area corridors can involve ZIP codes such as 77032, 77037, 77060, 77073, and 77090. For IAH-area addresses, verify the exact terminal, hotel, or business address.

South and southeast Houston

77017, 77034, 77048, 77061, 77075, 77089

South and southeast Houston searches may involve ZIP codes such as 77017, 77034, 77048, 77061, 77075, and 77089, including Hobby Airport-area and Gulf Freeway corridor addresses.

Houston ZIP Codes by County

The current table is built from Houston postal-place records that are associated with Harris County. The broader Houston metro extends beyond Harris County into places such as Fort Bend, Montgomery, Brazoria, and Galveston counties, so nearby city pages may be better for suburbs such as Sugar Land, The Woodlands, Pearland, or Galveston.

Harris County

77001, 77002, 77003, 77004, 77005, 77006, 77007, 77008, 77009, 77010, 77011, 77012, 77013, 77014, 77015, 77016, 77017, 77018, 77019, 77020, 77021, 77022, 77023, 77024, 77025, 77026, 77027, 77028, 77029, 77030, 77031, 77032, 77033, 77034, 77035, 77036, 77037, 77038, 77039, 77040, 77041, 77042, 77043, 77044, 77045, 77046, 77047, 77048, 77049, 77050, 77051, 77052, 77053, 77054, 77055, 77056, 77057, 77058, 77059, 77060, 77061, 77062, 77063, 77064, 77065, 77066, 77067, 77068, 77069, 77070, 77071, 77072, 77073, 77074, 77075, 77076, 77077, 77078, 77079, 77080, 77081, 77082, 77083, 77084, 77085, 77086, 77087, 77088, 77089, 77090, 77091, 77092, 77093, 77094, 77095, 77096, 77098, 77099, 77201, 77202, 77203, 77204, 77205, 77206, 77207, 77208, 77209, 77210, 77212, 77213, 77215, 77216, 77217, 77218, 77219, 77220, 77221, 77222, 77223, 77224, 77225, 77226, 77227, 77228, 77229, 77230, 77231, 77233, 77234, 77235, 77236, 77237, 77238, 77240, 77241, 77242, 77243, 77244, 77245, 77248, 77249, 77251, 77252, 77253, 77254, 77255, 77256, 77257, 77258, 77259, 77261, 77262, 77263, 77265, 77266, 77267, 77268, 77269, 77270, 77271, 77272, 77273, 77274, 77275, 77277, 77279, 77280, 77282, 77284, 77287, 77288, 77289, 77290, 77291, 77292, 77293, 77297, 77299

Nearby ZIP Code Maps

Compare Houston with nearby ZIP code maps around the region. These pages help when a mailing address or service area is outside the Houston postal-place rows in this dataset.

Galveston, TX
About 47 miles from Houston

ZIP Codes vs ZCTAs

ZIP codes are postal delivery codes used by USPS. ZCTAs are Census geographic approximations used for mapping and statistics. They are useful for analysis, but they are not the same as official USPS delivery ZIP codes or exact boundaries.

Frequently Asked Questions

What are the main ZIP codes in Houston?

Houston has many ZIP codes. Common central entries include 77002, 77003, 77004, 77006, 77007, 77008, 77009, and 77010, but the correct ZIP depends on the exact street address.

What county is Houston in?

Houston is primarily in Harris County, but parts of the city extend into Fort Bend and Montgomery counties. This page focuses on Houston postal-place rows associated with Harris County, so use nearby city pages or address-level lookup for suburban and metro-area ZIP codes.

Does Houston have ZIP codes outside Harris County?

Yes. The broader Houston area includes ZIP codes in Fort Bend, Montgomery, Brazoria, Galveston, and other counties. Some of those ZIPs belong to nearby cities or suburbs rather than Houston postal-place rows, so they may not appear in this city-only table.

What ZIP codes cover Downtown Houston?

Downtown Houston is commonly associated with ZIP codes such as 77002, 77003, and 77010, with nearby central ZIPs depending on the exact address.

What ZIP codes are near the Houston Medical Center?

The Texas Medical Center area is commonly associated with ZIP codes such as 77030 and nearby south-central ZIPs including 77021, 77025, and 77054. Always verify the exact hospital, campus, or office address.

What ZIP codes are used near Houston airports?

IAH-area and north Houston searches often involve ZIPs such as 77032, 77060, 77073, and 77090. Hobby Airport-area searches commonly involve south and southeast Houston ZIPs such as 77061 and nearby entries. Use the exact terminal, hotel, or business address for final confirmation.

How do I find the ZIP code for a specific Houston address?

Use a full street address in USPS lookup, Google Maps, Apple Maps, or another address-level tool. A citywide ZIP list is useful for reference, but it is not precise enough for final delivery decisions.

Why do some Houston ZIP codes in the 772xx range appear on this page?

Many 772xx entries are PO Box, unique, or special-use ZIP codes. They can be valid postal references, but they may not correspond to a normal residential delivery area on a map.

Are ZIP codes and ZCTAs the same?

No. ZIP codes are USPS postal delivery codes, while ZCTAs are Census geographic approximations used for mapping and statistics.

Data sources and methodology

This page combines GeoNames postal code rows, county references, coordinates, map links, and city-level context to create a practical ZIP code guide for Houston, TX. The maps show coordinate points and directional groupings for orientation. They do not show official USPS boundaries, and they should be checked against USPS or another official address source for mailing decisions.

For exact mail delivery, always verify the final address and ZIP code with USPS or another official address source.

  • GeoNames Postal Code Data
  • US Census ZCTA reference
  • Manual validation

Last updated: 2026-05-26

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