| District of Texas area codes: 903 | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Tyler |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 903-307 | Hopkins | Sulphur Spgs, TX | New Cingular Wireless PCS - IL |
| 903-308 | Rains | Emory, TX | Bandwidth.com Clec |
| 903-309 | Gregg | Longview, TX | Bandwidth.com Clec |
| 903-310 | Cass | Hughes Spgs, TX | Sprint Communications Company, L.p. |
| 903-312 | Smith | Tyler, TX | New Cingular Wireless PCS - IL |
| 903-313 | Fannin | Windom, TX | Tex-link Communications |
| 903-314 | Bowie | New Boston, TX | Sprint Spectrum L.p. |
| 903-315 | Gregg | Longview, TX | Southwestern Bell |
| 903-316 | Smith | Tyler, TX | New Cingular Wireless PCS - IL |
| 903-317 | Wood | Alba, TX | Tex-link Communications |
| 903-319 | Bowie | Hooks, TX | Sprint Spectrum L.p. |
| 903-320 | Morris | Lone Star, TX | Sprint Communications Company, L.p. |
| 903-321 | Big River Telephone Company - MO | ||
| 903-322 | Leon | Buffalo, TX | Valor Telecomm Tx, Ld-tx #2 DBA Windstream Comm Sw |
| 903-323 | Gregg | Longview, TX | Southwestern Bell |
| 903-324 | Smith | Lindale, TX | Southwestern Bell |
| 903-325 | Delta | Ben Franklin, TX | Peoples Telephone Cooperative |
| 903-326 | Navarro | Rice, TX | Gte-sw DBA Verizon Sw Inc.-tx (contel) |
| 903-327 | Grayson | Denison, TX | Southwestern Bell |
| 903-328 | Grayson | Sherman, TX | Level 3 Communications |
There are 754 prefixes, In the code area, the major cities are Corsicana, TX;Denison, TX;Greenville, TX;Longview,. The major city is Tyler.