Tyler, TX Area Codes

Area codes serving Tyler

Tyler sits in Texas, part of the South region and the Central Time zone. Its numbers are spread across an overlay of 2 codes that all cover the same ground: 430, 903.

The original code is 903 (in service since 1990). As the area ran low on numbers, regulators added overlay codes on top instead of splitting the city, so longtime residents kept their numbers while new lines received a newer code.

Code	Area served	In service
430	Northeast Texas, including Tyler, Longview, Texarkana and Sherman	February 15, 2003
903	Northeast Texas, including Tyler, Longview, Texarkana and Sherman	November 4, 1990

Nearby cities sharing these area codes

• Longview
• Texarkana
• Sherman
• Denison
• Paris
• Marshall
• Greenville
• Sulphur Springs
• Palestine
• Kilgore
• Jacksonville
• Athens
• Mount Pleasant

How to pick an area code for a new number

When you activate a new line in Tyler, the carrier assigns whichever code has numbers available — you usually can't choose. If a specific code matters to you (for example the prestige of 903), ask the carrier whether any blocks remain, or request a number transfer. All codes here dial identically and cost the same.

Dialing in Tyler

Because Tyler is an overlay area, 10-digit dialing is mandatory: always dial the area code plus the seven-digit number, even for a neighbor. See 10-digit dialing and overlay area codes for the background. For every code in Texas, visit the Texas area codes page.