Postal reference / United States
78237San Antonio, Texas
ZIP code 78237 is a United States postal code for San Antonio, Texas. Its county association is Bexar County. The map reference point is at 29.4208, -98.5645.
- State / territory
- Texas
- Recorded place name
- San Antonio
- County association
- Bexar
- Estimated coordinate
- 29.4208, -98.5645
View on OpenStreetMap - ZIP prefix
- 782 · 85 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 7.125 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
Need the last four digits?
ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.
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Browse the other 2,599 ZIP codes recorded for Texas, sorted by code with place and county.
Texas directoryOther ZIP codes in San Antonio, TX
San Antonio has 83 ZIP codes in the reference dataset. The 43 not listed here are in the San Antonio directory.
- 78201Bexar
- 78202Bexar
- 78203Bexar
- 78204Bexar
- 78205Bexar
- 78206Bexar
- 78207Bexar
- 78208Bexar
- 78209Bexar
- 78210Bexar
- 78211Bexar
- 78212Bexar
- 78213Bexar
- 78214Bexar
- 78215Bexar
- 78216Bexar
- 78217Bexar
- 78218Bexar
- 78219Bexar
- 78220Bexar
- 78221Bexar
- 78222Bexar
- 78223Bexar
- 78224Bexar
- 78225Bexar
- 78226Bexar
- 78227Bexar
- 78228Bexar
- 78229Bexar
- 78230Bexar
- 78231Bexar
- 78232Bexar
- 78233Bexar
- 78235Bexar
- 78238Bexar
- 78239Bexar
- 78240Bexar
- 78241Bexar
- 78242Bexar
- 78243Bexar
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 78226 | San Antonio | TX | Bexar | 2.1 |
| 78207 | San Antonio | TX | Bexar | 2.3 |
| 78228 | San Antonio | TX | Bexar | 2.7 |
| 78225 | San Antonio | TX | Bexar | 3.3 |
| 78204 | San Antonio | TX | Bexar | 3.6 |
| 78238 | San Antonio | TX | Bexar | 3.8 |
| 78201 | San Antonio | TX | Bexar | 3.9 |
| 78234 | Jbsa Ft Sam Houston | TX | Bexar | 4.3 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.
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