| City: | Texarkana, Texas |
| County: | Bowie County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:30:31 AM |
| Population: | No Population Data |
| Area Code: | 903 |
| Classification: | PO Box |
| Coordinates: | 33.4250, -94.0478 |
| Quick Link: |
ZIP code 75504 serves a commercial concentration along North State Line Avenue in Texarkana, Texas. This isn't a residential community. The ZIP has zero population and operates as a point location within the larger 75503 ZIP code area. All 239 street delivery records share a single address: N State Line Ave, which forms the literal boundary between Texas and Arkansas in downtown Texarkana.
The post office maintains 197 PO Boxes alongside 210 business delivery points. With 14 business establishments employing 208 workers, this ZIP serves commercial and office functions rather than residential housing. Secondary unit types include suites and units, typical of multi-tenant office or commercial buildings. The concentration of businesses on a single street suggests a commercial corridor or possibly a large multi-tenant facility that warranted its own ZIP designation.
Texarkana straddles the Texas-Arkansas state line, and State Line Avenue runs directly along this boundary. Buildings on the west side of the street are in Texas, while those on the east are in Arkansas. This ZIP code (75504) handles Texas-side mail for this unique border location, while Arkansas addresses use different ZIP codes. The dual-state character makes Texarkana one of America's most distinctive cities, with post offices serving both sides of the line.
Addresses in this ZIP use the format:
[Suite/Unit Number] N State Line Ave
Texarkana, TX 75504For PO Box mail:
PO Box [Number]
Texarkana, TX 75504The entire ZIP serves a single street: North State Line Avenue, which marks the Texas-Arkansas border.
ZIP Code 75504 supports both business and residential activity. According to the Business Census (2024), there are 15 business establishments, employing about 197 people with an annual payroll of $17,343,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,599Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 15Source: CBP |
| 1st Quarter Payroll: | $4,645,000Source: CBP |
| Annual Payroll: | $17,343,000Source: CBP |
| # of Employees: | 197Source: CBP |
ZIP Code 75504 is located in Bowie County, Texas, within the Texarkana, TX-AR Metropolitan Statistical Area (CBSA 45500) and Texas's 1st Congressional District. This Metro area has a population of 136,027 people, about 0.00% of whom live in ZIP Code 75504. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Texarkana, TX-ARSource: Census |
| CBSA Number: | 45500Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 136,027Source: Census |
| MSA: | Texarkana, TX-Texarkana, AR MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 7858.86 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4872368Source: Census |
| Place Name: | Texarkana city; TexasSource: Census |
We could not locate which school district 75504 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 February 1, 2026.