78701 ZIP Code: Austin, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78701 in Austin, TX.
Postal & Geographic Specifications USPS Data
Demographic & Economic Profile (US Census Bureau)
American Community Survey (ACS) 5-Year Verified Metrics
Human Editorial Review & Local Vetting
Downtown Austin (78701) — Local Editorial Review & Ground Context
Urban Core Overview & Tech Influx
ZIP code 78701 represents the high-density economic, political, and cultural epicenter of Austin, Texas. Extending from Lady Bird Lake north to the Texas State Capitol complex and 15th Street, this district encompasses the Congress Avenue historic corridor, the 2nd Street District, the Warehouse District, and Rainey Street.
Key Resident & Business Considerations:
- Commercial & Technology Anchors: High-rise office towers along Colorado Street and 2nd Street host major regional outposts for technology firms, venture capital, and institutional legal firms serving state agencies.
- Housing Dynamic: Housing stock is exclusively comprised of high-rise luxury condominiums, mid-rise urban lofts, and residential apartments. Single-family detached homes are essentially non-existent in this postal district.
- Walkability & Transit: With a Walk Score exceeding 90, daily errands do not require personal vehicles. Capital Metro bus routes, the Downtown Station MetroRail red line, and Ann and Roy Butler Hike-and-Bike Trail provide direct pedestrian connectivity.
Last Vetted by Local Editorial Team: May 2026
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
30.2711, -97.7437Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 78701 in Austin
More Postal Codes in Austin, TX
Explore neighboring delivery districts and postal zones
Frequently Asked Questions About 78701 (Austin, TX)
What county is ZIP code 78701 located in for tax and voter purposes? ▾
ZIP code 78701 is located within Travis County, Texas. The official county seat is Austin, and the primary jurisdiction carries Texas FIPS code 48453.
What is the 4-digit ZIP+4 code for 78701? ▾
The full 9-digit postal code format is 78701-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 78701 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 78701 and what are the lobby hours? ▾
The primary USPS facility serving 78701 is Austin Downtown Station Post Office, located at 510 Guadalupe St, Austin, TX 78701. 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 (512) 342-1252.
What telephone area codes and time zone apply to 78701? ▾
ZIP code 78701 is located in the America/Chicago (CST / CDT) time zone (observing Daylight Saving Time). Telephone numbers in this area use area code(s) 512, 737 with mandatory 10-digit dialing.
What is the population and median household income for 78701? ▾
According to U.S. Census Bureau ACS data, ZIP code 78701 in Austin has an estimated population of 8,245 residents and a median household income of $124,500 per year (compared to the Texas state median of $74,640).
What postal codes border 78701 in Austin? ▾
Adjacent and contiguous ZIP codes bordering 78701 include 78705 (Austin, ~1.4 mi), 78702 (Austin, ~1.6 mi), 78703 (Austin, ~2 mi), 78704 (Austin, ~2.2 mi).