Denison, TX Area Codes
Denison, Texas (population 26,822) uses area codes 903 and 430.
Carriers with Denison numbers
18 prefixes are assigned to the Denison exchange: 22% mobile, 17% VoIP and cable, 61% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Southwestern Bell) | 8 |
| AT&T Mobility | 2 |
| Lumen (Level 3) | 2 |
| Verizon Wireless | 2 |
| American Messaging Services | 1 |
| Metropcs | 1 |
| Onvoy (Sinch) | 1 |
| Fractel | 1 |
Area codes used in Denison
| Area code | Prefixes serving Denison | Main carriers in this code |
|---|---|---|
| 903 | 14 | AT&T (Southwestern Bell), Verizon Wireless, Frontier |
| 430 | 4 | Onvoy (Sinch), Fractel, Twc Ip Enabled Services |
Denison phone number prefixes
Numbers starting with these first six digits were originally assigned to the Denison exchange.
903-271AT&T Mobility903-327AT&T (Southwestern Bell)903-337AT&T (Southwestern Bell)903-361Lumen (Level 3)903-415AT&T (Southwestern Bell)903-416AT&T (Southwestern Bell)903-462AT&T (Southwestern Bell)903-463AT&T (Southwestern Bell)903-464AT&T (Southwestern Bell)903-465AT&T (Southwestern Bell)903-548Lumen (Level 3)903-620American Messaging Services903-624Metropcs903-647Verizon Wireless430-277Verizon Wireless430-396Onvoy (Sinch)430-666Fractel430-964AT&T Mobility
Nearby cities in area code 903
- Tyler
- Longview
- Sherman
- Princeton
- Greenville
- Texarkana
- Corsicana
- Paris
- Marshall
- Palestine
- Sulphur Springs
- Mount Pleasant
Questions
- What is the area code for Denison, TX?
- Denison uses 2 area codes: 903 and 430. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Denison in?
- Denison is in the Central time zone.