78223 ZIP Code: Sulphur Springs, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78223 in Sulphur Springs, 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
78223 is an active postal delivery zone serving Sulphur Springs in Hopkins 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, -97.1000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 78223 in Sulphur Springs
Frequently Asked Questions About 78223 (Sulphur Springs, TX)
What county is ZIP code 78223 located in for tax and voter purposes? ▾
ZIP code 78223 is located within Hopkins County, Texas. The official county seat is Sulphur Springs, and the primary jurisdiction carries Texas FIPS code 48223.
What is the 4-digit ZIP+4 code for 78223? ▾
The full 9-digit postal code format is 78223-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 78223 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 78223 and what are the lobby hours? ▾
The primary USPS facility serving 78223 is USPS Post Office - Sulphur Springs, located at 100 Main St, Sulphur Springs, TX 78223. 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 78223? ▾
ZIP code 78223 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 78223? ▾
According to U.S. Census Bureau ACS data, ZIP code 78223 in Sulphur Springs has an estimated population of 14,715 residents and a median household income of $102,240 per year (compared to the Texas state median of $74,640).
What postal codes border 78223 in Sulphur Springs? ▾
Adjacent and contiguous ZIP codes bordering 78223 include 78023 (Seymour, ~0 mi), 78123 (Cuero, ~0 mi), 78323 (Eagle Pass, ~0 mi), 78423 (Smith City 211, ~0 mi).