78209 ZIP Code: San Antonio, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78209 in San Antonio, TX.
Postal & Geographic Specifications USPS Data
Demographic & Economic Profile (US Census Bureau)
American Community Survey (ACS) 5-Year Verified Metrics
Editor's Neighborhood Insight & Local Context
78209 includes Alamo Heights and the Alamo Quarry Market, celebrated for tree-shaded parks, historic architecture, and the McNay Art Museum.
Designated USPS Post Office Facility Mail & Parcel Drop-off
Mon-Fri 8:30 AM - 5:00 PM; Sat 9:00 AM - 1:00 PM
Geographic Map & Coordinates
29.4924, -98.4624Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 78209 in San Antonio
More Postal Codes in San Antonio, TX
Explore neighboring delivery districts and postal zones
Frequently Asked Questions About 78209 (San Antonio, TX)
What county is ZIP code 78209 located in for tax and voter purposes? ▾
ZIP code 78209 is located within Bexar County, Texas. The official county seat is San Antonio, and the primary jurisdiction carries Texas FIPS code 48029.
What is the 4-digit ZIP+4 code for 78209? ▾
The full 9-digit postal code format is 78209-XXXX, where the last 4 digits specify exact delivery routes, high-rise buildings, or street blocks. For regular mail and parcel shipping, the 5-digit code 78209 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 78209 and what are the lobby hours? ▾
The primary USPS facility serving 78209 is Alamo Heights Post Office, located at 4801 Broadway St, San Antonio, TX 78209. Retail lobby operations run during Mon-Fri 8:30 AM - 5:00 PM; Sat 9:00 AM - 1:00 PM. Contact inquiries can be made at (210) 824-3450.
What telephone area codes and time zone apply to 78209? ▾
ZIP code 78209 is located in the America/Chicago (CST / CDT) time zone (observing Daylight Saving Time). Telephone numbers in this area use area code(s) 210, 726 with mandatory 10-digit dialing.
What is the population and median household income for 78209? ▾
According to U.S. Census Bureau ACS data, ZIP code 78209 in San Antonio has an estimated population of 42,900 residents and a median household income of $98,400 per year (compared to the Texas state median of $74,640).
What postal codes border 78209 in San Antonio? ▾
Adjacent and contiguous ZIP codes bordering 78209 include 78212 (San Antonio, ~3.1 mi), 78201 (San Antonio, ~3.8 mi), 78215 (San Antonio, ~3.8 mi), 78205 (San Antonio, ~5 mi).