| General Information | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Tyler |
| Time Zone | Central (UTC-06:00) |
| Current Local Time | 03:30 |
| Prefix | County | Primary City |
|---|---|---|
| 903-200 | Grayson | Collinsville |
| 903-201 | Fannin | Leonard |
| 903-202 | Smith | Whitehouse |
| 903-203 | Henderson | Athens |
| 903-204 | Titus | Mount Pleasant |
| 903-205 | Morris | Daingerfield |
| 903-206 | Fannin | Trenton |
| 903-207 | Grayson | Gunter |
| 903-208 | Leon | Centerville |
| 903-209 | Grayson | Sherman |
| 903-210 | Gregg | Longview |
| 903-212 | Gregg | Longview |
| 903-213 | Hunt | Caddo Mills |
| 903-215 | Gregg | Longview |
| 903-216 | Smith | Tyler |
| 903-217 | Hunt | Greenville |
| 903-218 | Gregg | Kilgore |
| 903-219 | Red River | Clarksville |
| 903-220 | Gregg | Longview |
| 903-221 | Anderson | Palestine |
| 903-222 | Gregg | Longview |
| 903-223 | Bowie | Texarkana |
| 903-224 | Hunt | Greenville |
| 903-225 | Collin | Blue Ridge |
| 903-226 | Hunt | Quinlan |
| 903-227 | Fannin | Bonham |
| 903-228 | Grayson | Gunter |
| 903-229 | Navarro | Rice |
| 903-230 | Gregg | Longview |
| 903-231 | Hunt | Quinlan |
| 903-232 | Gregg | Longview |
| 903-233 | Gregg | Longview |
| 903-234 | Gregg | Longview |
| 903-235 | Gregg | Longview |
| 903-236 | Gregg | Longview |
| 903-237 | Gregg | Longview |
| 903-238 | Gregg | Longview |
| 903-239 | Gregg | Longview |
| 903-240 | Gregg | Longview |
| 903-241 | Gregg | Longview |
| 903-242 | Gregg | Longview |
| 903-243 | Hopkins | Sulphur Springs |
| 903-244 | Bowie | Texarkana |
| 903-245 | Smith | Tyler |
| 903-246 | Hunt | Commerce |
| 903-247 | Gregg | Longview |
| 903-248 | Gregg | Longview |
| 903-249 | Lamar | Paris |
| 903-250 | Hunt | Greenville |
| 903-251 | Henderson | Murchison |