| Area Code | 903 |
| State | Texas |
| Current Time in Area Code 903 | 903> CDT |
| Timezone | Central Daylight Time |
| Regional Market Area | Bryan-College Station Area Lufkin Area Metro Dallas-Fort Worth Shreveport Area Tyler-Longview-Paris Area Waco-Temple Area |
| Metro Area(s) | Athens, TX Bonham, TX Corsicana, TX Jacksonville, TX Longview, TX Mount Pleasant, TX Palestine, TX Paris, TX Sherman-Denison, TX Sulphur Springs, TX Texarkana, TX-AR Tyler, TX |
| Population (2020) | 1508932 |
| Adjacent Area Codes | 214,254,318,327,430,469,580,870,936,940,945,972,979 |
| Overlay Area Codes | 430 |