77478 ZIP Code: Sugar Land, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 77478 in Sugar Land, 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
77478 is an active postal delivery zone serving Sugar Land in Fort Bend 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
32.5000, -102.6000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 77478 in Sugar Land
Frequently Asked Questions About 77478 (Sugar Land, TX)
What county is ZIP code 77478 located in for tax and voter purposes? ▾
ZIP code 77478 is located within Fort Bend County, Texas. The official county seat is Richmond, and the primary jurisdiction carries Texas FIPS code 48157.
What is the 4-digit ZIP+4 code for 77478? ▾
The full 9-digit postal code format is 77478-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 77478 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 77478 and what are the lobby hours? ▾
The primary USPS facility serving 77478 is USPS Post Office - Sugar Land, located at 100 Main St, Sugar Land, TX 77478. 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 77478? ▾
ZIP code 77478 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 77478? ▾
According to U.S. Census Bureau ACS data, ZIP code 77478 in Sugar Land has an estimated population of 111,026 residents and a median household income of $78,240 per year (compared to the Texas state median of $74,640).
What postal codes border 77478 in Sugar Land? ▾
Adjacent and contiguous ZIP codes bordering 77478 include 75078 (Prosper, ~0 mi), 75088 (Rowlett, ~48.3 mi), 76180 (North Richland Hills, ~49.5 mi), 78660 (Pflugerville, ~49.5 mi).