| Start Date | 07/01/2014 |
| Current Time in Area Code 346 | 346> CST |
| Timezone | Central Standard Time |
| Regional Market Area | Metro Houston |
| Metro Area(s) | Houston-The Woodlands-Sugar Land, TX |
| Population (2020) | 5553924 |
| Adjacent Area Codes | 281,409,713,832,936,979 |
| Overlay Area Codes | 281,713,832 |
| Fort Bend County |
| Harris County |
| Atascocita |
| Baytown |
| Channelview |
| Deer Park |
| Friendswood |
| Houston |
| La Porte |
| League City |
| Mission Bend |
| Missouri City |
| Pasadena |
| Pearland |
| Rosenberg |
| Spring |
| Sugar Land |
| The Woodlands |