Gresham, OR Area Codes
Gresham, Oregon (population 111,513) uses area codes 503 and 971.
Carriers with Gresham numbers
32 prefixes are assigned to the Gresham exchange: 9% mobile, 38% VoIP and cable, 53% landline.
| Carrier | Prefixes |
|---|---|
| Ziply Fiber | 12 |
| Allstream | 3 |
| Bandwidth | 3 |
| AT&T Mobility | 3 |
| Lumen (Level 3) | 2 |
| AT&T (Teleport) | 2 |
| Onvoy (Sinch) | 2 |
| Verizon Business (MCImetro) | 1 |
Area codes used in Gresham
| Area code | Prefixes serving Gresham | Main carriers in this code |
|---|---|---|
| 503 | 22 | Lumen (Qwest), Ziply Fiber, AT&T Mobility |
| 971 | 10 | AT&T Mobility, Onvoy (Sinch), T-Mobile |
Gresham phone number prefixes
Numbers starting with these first six digits were originally assigned to the Gresham exchange.
503-328Allstream503-405Verizon Business (MCImetro)503-465Ziply Fiber503-489Allstream503-491Ziply Fiber503-492Ziply Fiber503-512Lumen (Level 3)503-573Lumen (Level 3)503-618Ziply Fiber503-660Ziply Fiber503-661Ziply Fiber503-663Ziply Fiber503-665Ziply Fiber503-666Ziply Fiber503-667Ziply Fiber503-669Ziply Fiber503-674Ziply Fiber503-676AT&T (Teleport)503-766AT&T (Teleport)503-907Allstream503-912Comcast (Xfinity)503-918Onvoy (Sinch)971-220Bandwidth971-231Bandwidth971-274Lumen (CenturyLink)971-292Metropcs971-293AT&T Mobility971-431Bandwidth971-436Commio971-502AT&T Mobility971-531AT&T Mobility971-571Onvoy (Sinch)
Nearby cities in area code 503
Questions
- What is the area code for Gresham, OR?
- Gresham uses 2 area codes: 503 and 971. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Gresham in?
- Gresham is in the Pacific time zone.