77520 ZIP Code: Baytown, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 77520 in Baytown, 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
77520 is an active postal delivery zone serving Baytown in Harris 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
29.0000, -102.8000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 77520 in Baytown
Frequently Asked Questions About 77520 (Baytown, TX)
What county is ZIP code 77520 located in for tax and voter purposes? ▾
ZIP code 77520 is located within Harris County, Texas. The official county seat is Houston, and the primary jurisdiction carries Texas FIPS code 48201.
What is the 4-digit ZIP+4 code for 77520? ▾
The full 9-digit postal code format is 77520-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 77520 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 77520 and what are the lobby hours? ▾
The primary USPS facility serving 77520 is USPS Post Office - Baytown, located at 100 Main St, Baytown, TX 77520. 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 77520? ▾
ZIP code 77520 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 77520? ▾
According to U.S. Census Bureau ACS data, ZIP code 77520 in Baytown has an estimated population of 83,701 residents and a median household income of $98,640 per year (compared to the Texas state median of $74,640).
What postal codes border 77520 in Baytown? ▾
Adjacent and contiguous ZIP codes bordering 77520 include 76020 (Sanctuary, ~0 mi), 78520 (Brownsville, ~0 mi), 78620 (Bear Creek, ~0 mi), 75028 (Flower Mound, ~10.9 mi).