Area Code 903: Coverage, Cities, and More - area-code -

Frequently Asked Questions

Area code 903 covers Northeast Texas, including Tyler, Longview, Texarkana, Sherman, Greenville, and Corsicana. Numerous smaller towns and rural communities are also within the 903 area code.
Due to the 430 overlay, 10-digit dialing is required for all calls within the 903 area code, even local calls. This means dialing both the area code and the seven-digit phone number.
Area code 903 was created on November 4, 1990, as a split from area code 214 to accommodate the growing demand for phone numbers in Northeast Texas.
Before being assigned to Texas, area code 903 served parts of northwestern Mexico from 1962 to 1980 under Telefónica Fronteriza. After acquisition by Telmex, Mexico replaced 903 with 706. Then in 1990, 903 was assigned to Northeast Texas as a split from 214.
Contact a telecommunications service provider in Northeast Texas to get a 903 (or 430 overlay) area code. Availability depends on location and the provider's inventory.
The 430 overlay, introduced in 2003, means both 903 and 430 serve the same geographic area in Northeast Texas, requiring 10-digit dialing for all calls.
No, 903 is not toll-free. Standard calling charges apply based on your provider and plan. Toll-free codes typically start with 800, 888, 877, 866, 855, 844, or 833.
Always use 10-digit dialing (area code + number) for all calls within area code 903, including local calls, due to the 430 overlay implemented in 2003.
The North American Numbering Plan Administrator (NANPA) oversees all area codes. In Texas, the Public Utility Commission of Texas (PUCT) further regulates telecommunications services, and the Federal Communications Commission (FCC) plays a role nationally.
Area code 903 is located in Northeast Texas, covering cities like Tyler, Longview, and Texarkana, as well as many smaller towns and rural communities.
For more details on telecommunications regulations, visit the NANPA website or the FCC website for national-level information.
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