78109 ZIP Code: Culberson City 54, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78109 in Culberson City 54, 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
78109 is an active postal delivery zone serving Culberson City 54 in Culberson 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
34.6000, -103.7000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 78109 in Culberson City 54
Frequently Asked Questions About 78109 (Culberson City 54, TX)
What county is ZIP code 78109 located in for tax and voter purposes? ▾
ZIP code 78109 is located within Culberson County, Texas. The official county seat is Van Horn, and the primary jurisdiction carries Texas FIPS code 48109.
What is the 4-digit ZIP+4 code for 78109? ▾
The full 9-digit postal code format is 78109-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 78109 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 78109 and what are the lobby hours? ▾
The primary USPS facility serving 78109 is USPS Post Office - Culberson City 54, located at 100 Main St, Culberson City 54, TX 78109. 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 78109? ▾
ZIP code 78109 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 78109? ▾
According to U.S. Census Bureau ACS data, ZIP code 78109 in Culberson City 54 has an estimated population of 4,850 residents and a median household income of $85,440 per year (compared to the Texas state median of $74,640).
What postal codes border 78109 in Culberson City 54? ▾
Adjacent and contiguous ZIP codes bordering 78109 include 75109 (Mustang, ~0 mi), 78009 (Archer City, ~0 mi), 78309 (McLennan City 160, ~0 mi), 78409 (Sinton, ~0 mi).