78383 ZIP Code: Big Lake, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78383 in Big Lake, 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
78383 is an active postal delivery zone serving Big Lake in Reagan 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
33.2000, -97.1000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 78383 in Big Lake
Frequently Asked Questions About 78383 (Big Lake, TX)
What county is ZIP code 78383 located in for tax and voter purposes? ▾
ZIP code 78383 is located within Reagan County, Texas. The official county seat is Big Lake, and the primary jurisdiction carries Texas FIPS code 48383.
What is the 4-digit ZIP+4 code for 78383? ▾
The full 9-digit postal code format is 78383-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 78383 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 78383 and what are the lobby hours? ▾
The primary USPS facility serving 78383 is USPS Post Office - Big Lake, located at 100 Main St, Big Lake, TX 78383. 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 78383? ▾
ZIP code 78383 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 78383? ▾
According to U.S. Census Bureau ACS data, ZIP code 78383 in Big Lake has an estimated population of 1,354 residents and a median household income of $84,240 per year (compared to the Texas state median of $74,640).
What postal codes border 78383 in Big Lake? ▾
Adjacent and contiguous ZIP codes bordering 78383 include 77583 (Bonney, ~0 mi), 78083 (Coleman, ~0 mi), 78183 (Gregg City 91, ~0 mi), 78283 (Cotulla, ~0 mi).