| Start Date | 01/15/2021 |
| Current Time in Area Code 945 | 945> CDT |
| Timezone | Central Daylight Time |
| Regional Market Area | Metro Dallas-Fort Worth |
| Metro Area(s) | Dallas-Fort Worth-Arlington, TX |
| Population (2020) | 4123588 |
| Adjacent Area Codes | 214,254,430,469,682,817,903,940,972 |
| Overlay Area Codes | 214,469,972 |
| Collin County |
| Dallas County |
| Ellis County |
| Kaufman County |
| Rockwall County |