78507 ZIP Code: Crystal City, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78507 in Crystal City, 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
78507 is an active postal delivery zone serving Crystal City in Zavala 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, -101.5000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 78507 in Crystal City
Frequently Asked Questions About 78507 (Crystal City, TX)
What county is ZIP code 78507 located in for tax and voter purposes? ▾
ZIP code 78507 is located within Zavala County, Texas. The official county seat is Crystal City, and the primary jurisdiction carries Texas FIPS code 48507.
What is the 4-digit ZIP+4 code for 78507? ▾
The full 9-digit postal code format is 78507-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 78507 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 78507 and what are the lobby hours? ▾
The primary USPS facility serving 78507 is USPS Post Office - Crystal City, located at 100 Main St, Crystal City, TX 78507. 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 78507? ▾
ZIP code 78507 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 78507? ▾
According to U.S. Census Bureau ACS data, ZIP code 78507 in Crystal City has an estimated population of 3,868 residents and a median household income of $83,040 per year (compared to the Texas state median of $74,640).
What postal codes border 78507 in Crystal City? ▾
Adjacent and contiguous ZIP codes bordering 78507 include 78007 (Rockport, ~0 mi), 78107 (Crosbyton, ~0 mi), 78207 (Haskell, ~0 mi), 78307 (Brady, ~0 mi).