| City: | Huntsville, Texas |
| Names to Avoid: | Tx State Prison |
| County: | Walker County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:21:02 PM |
| Population: | No Population Data |
| Area Code: | 936 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 30.7234, -95.5508 |
| Quick Link: |
The Texas Department of Criminal Justice operates dedicated ZIP code 77343 for correctional facility mail in Huntsville, Walker County. Huntsville serves as the headquarters of TDCJ and hosts multiple state prison units, including the historic Walls Unit that opened in 1849 as the first Texas state prison. The city's concentration of correctional facilities, combined with Sam Houston State University's renowned criminal justice program, has made Huntsville the center of Texas corrections for over 175 years.
This designation predates modern USPS tracking systems, indicating decades of service for prison correspondence. No ZIP+4 delivery codes or building names appear in current postal records, suggesting mail routes through TDCJ's central mailroom for security screening before internal distribution to specific units. Census demographic data is not available for this ZIP code, which handles institutional correspondence rather than standard residential delivery. Huntsville is the valid mailing city for correspondence to this designation.
ZIP Code 77343 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 77343 is located in Walker County, Texas, within the Huntsville, TX Metropolitan Statistical Area (CBSA 26660). This Micro area has a population of 78,292 people, about 0.00% of whom live in ZIP Code 77343. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Huntsville, TXSource: Census |
| CBSA Number: | 26660Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 78,292Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4835528Source: Census |
| Place Name: | Huntsville city; TexasSource: Census |
We could not locate which school district 77343 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.