San Antonio, Texas ZIP Codes
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This is the complete guide to San Antonio, Texas ZIP codes — all 83 codes in one place, from 78201 to 78299. If you have been searching for the zip code of San Antonio Texas USA, the full list below covers every delivery area in the city.
San Antonio lies primarily in Bexar County, Texas. Because ZIP codes follow mail delivery routes rather than neighborhood lines, different parts of San Antonio use different codes. The list below is sorted numerically, and our free tools can pinpoint the exact ZIP code — including the ZIP+4 add-on — for any San Antonio address.
Complete List of San Antonio ZIP Codes
All 83 san antonio zip codes, sorted from lowest to highest (78201 to 78299):
About San Antonio ZIP Codes
San Antonio is served by 83 ZIP codes (78201–78299). USPS draws ZIP code boundaries around delivery routes, so a code can cover a compact downtown district, a spread-out suburb, or a single high-volume mailer.
Most of San Antonio sits in Bexar County, though parts of the city reach into Comal. That is one reason ZIP codes here do not stop at the city limit — a San Antonio mailing address can sit in a neighboring county and still carry a San Antonio ZIP code.
Mailing to San Antonio? Using the correct ZIP code — and the ZIP+4 add-on where it matters — keeps letters and packages moving without delays or returns. Before you send, you can confirm any San Antonio address with our free Address Verification tool, and find the full 9-digit code with the ZIP+4 Lookup.
How to Find Your San Antonio ZIP Code
Enter a San Antonio street address to get its exact 5-digit ZIP code instantly.
Look up San Antonio, Texas to see the full list of ZIP codes used across the city.
Explore ZIP codes for every covered city in Texas on the state page.
Frequently Asked Questions
How many ZIP codes does San Antonio have?
San Antonio has 83 ZIP codes, ranging from 78201 to 78299. The complete list is on this page.
What is the ZIP code of San Antonio, Texas?
There is no single ZIP code for San Antonio — the city uses 83 ZIP codes (78201 to 78299). Enter your street address in our ZIP Code by Address tool to find your exact one.
What county is San Antonio, Texas in?
San Antonio is primarily in Bexar County, Texas, and also extends into Comal.
What is the ZIP code range for San Antonio?
ZIP codes in San Antonio start at 78201 and go up to 78299. Codes are assigned by delivery area, so the lowest codes generally sit closest to the city center and rise as you move outward.
Why does San Antonio have 83 different ZIP codes?
The Postal Service creates a new ZIP code whenever a delivery area grows too large for one code to handle efficiently. A city the size of San Antonio has many delivery routes — neighborhoods, business districts, and high-volume mailers each need their own code so mail can be sorted and delivered accurately.
How do I find my ZIP+4 code in San Antonio?
Use our free ZIP+4 Lookup tool — enter your San Antonio street address to get the full 9-digit code.
More Cities in Texas
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