78199 ZIP Code: Hardin City 99, Texas
Official postal information, geographic coordinates, USPS post office locations, and US Census Bureau demographic metrics for postal code 78199 in Hardin City 99, 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
78199 is an active postal delivery zone serving Kountze in Hardin 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
33.9000, -103.7000Adjacent & Contiguous ZIP Codes
Nearby postal codes bordering 78199 in Hardin City 99
Frequently Asked Questions About 78199 (Hardin City 99, TX)
What county is ZIP code 78199 located in for tax and voter purposes? ▾
ZIP code 78199 is located within Hardin County, Texas. The official county seat is Kountze, and the primary jurisdiction carries Texas FIPS code 48199.
What is the 4-digit ZIP+4 code for 78199? ▾
The full 9-digit postal code format is 78199-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 78199 is fully valid, while specific ZIP+4 extensions can be verified with USPS address validation.
Where is the nearest USPS post office for 78199 and what are the lobby hours? ▾
The primary USPS facility serving 78199 is USPS Post Office - Kountze, located at 100 Main St, Kountze, TX 78199. 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 78199? ▾
ZIP code 78199 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 78199? ▾
According to U.S. Census Bureau ACS data, ZIP code 78199 in Kountze has an estimated population of 22,492 residents and a median household income of $103,440 per year (compared to the Texas state median of $74,640).
What postal codes border 78199 in Kountze? ▾
Adjacent and contiguous ZIP codes bordering 78199 include 78099 (Gatesville, ~0 mi), 78299 (Llano, ~0 mi), 78399 (Ballinger, ~0 mi), 78499 (Quitman, ~0 mi).