| District of Texas area codes: 903 | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Tyler |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 903-200 | Grayson | Collinsville, TX | Level 3 Communications |
| 903-201 | Fannin | Leonard, TX | Level 3 Communications |
| 903-202 | Smith | Whitehouse, TX | Broadvox-clec |
| 903-203 | Henderson | Athens, TX | Cellco Partnership DBA Verizon Wireless |
| 903-204 | Titus | Mt Pleasant, TX | Cellco Partnership DBA Verizon Wireless |
| 903-205 | Morris | Daingerfield, TX | Sprint Communications Company, L.p. |
| 903-206 | Fannin | Trenton, TX | Level 3 Communications |
| 903-207 | Grayson | Gunter, TX | Level 3 Communications |
| 903-208 | Leon | Centerville, TX | Mtpcs |
| 903-209 | Grayson | Sherman, TX | Gte-sw DBA Verizon Sw Inc.-tx |
| 903-210 | Gregg | Longview, TX | Teletouch Communications |
| 903-212 | Gregg | Longview, TX | Tim Ron Enterprises |
| 903-213 | Hunt | Caddo Mills, TX | Level 3 Communications |
| 903-215 | Gregg | Longview, TX | T-mobile Usa |
| 903-216 | Smith | Tyler, TX | Cellco Partnership DBA Verizon Wireless |
| 903-217 | Hunt | Greenville, TX | Southwestern Bell |
| 903-218 | Gregg | Kilgore, TX | Level 3 Communications |
| 903-219 | Red River | Clarksville, TX | Cellco Partnership DBA Verizon Wireless |
| 903-220 | Gregg | Longview, TX | Grande Communications Networks |
| 903-221 | Anderson | Palestine, TX | Broadwing 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.