77840 ZIP Code: College Station, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 77840 in College Station, 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
77840 is an active postal delivery zone serving College Station in Brazos County, Texas. Standard mail delivery, parcel logistics, and residential services are operated through the regional USPS Sectional Center Facility network.
Designated USPS Post Office Facility Mail & Parcel Drop-off
Mon-Fri 8:30 AM - 5:00 PM; Sat 9:00 AM - 1:00 PM; Sun Closed
Geographic Map & Coordinates
30.4000, -102.8000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 77840 in College Station
Frequently Asked Questions About 77840 (College Station, TX)
What county is ZIP code 77840 located in for tax and voter purposes? ▾
ZIP code 77840 is located within Brazos County, Texas. The official county seat is Bryan, and the primary jurisdiction carries Texas FIPS code 48041.
What is the 4-digit ZIP+4 code for 77840? ▾
The full 9-digit postal code format is 77840-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 77840 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 77840 and what are the lobby hours? ▾
The primary USPS facility serving 77840 is USPS Post Office - College Station, located at 100 Main St, College Station, TX 77840. Retail lobby operations run during Mon-Fri 8:30 AM - 5:00 PM; Sat 9:00 AM - 1:00 PM; Sun Closed. Contact inquiries can be made at (800) 275-8777.
What telephone area codes and time zone apply to 77840? ▾
ZIP code 77840 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 77840? ▾
According to U.S. Census Bureau ACS data, ZIP code 77840 in College Station has an estimated population of 120,511 residents and a median household income of $92,640 per year (compared to the Texas state median of $74,640).
What postal codes border 77840 in College Station? ▾
Adjacent and contiguous ZIP codes bordering 77840 include 75040 (Garland, ~0 mi), 78040 (Laredo, ~0 mi), 78340 (Bayside, ~0 mi), 78748 (San Leanna, ~10.9 mi).