Seaside, OR Area Codes
Seaside, Oregon (population 7,092) uses area codes 503 and 971.
Carriers with Seaside numbers
10 prefixes are assigned to the Seaside exchange: 80% mobile, 0% VoIP and cable, 20% landline.
| Carrier | Prefixes |
|---|---|
| T-Mobile | 4 |
| Verizon Wireless | 3 |
| Lumen (Qwest) | 2 |
| AT&T Mobility | 1 |
Area codes used in Seaside
| Area code | Prefixes serving Seaside | Main carriers in this code |
|---|---|---|
| 503 | 5 | Lumen (Qwest), Ziply Fiber, AT&T Mobility |
| 971 | 5 | AT&T Mobility, Onvoy (Sinch), T-Mobile |
Seaside phone number prefixes
Numbers starting with these first six digits were originally assigned to the Seaside exchange.
503-440Verizon Wireless503-470T-Mobile503-717Lumen (Qwest)503-738Lumen (Qwest)503-739AT&T Mobility971-320T-Mobile971-326Verizon Wireless971-395T-Mobile971-475T-Mobile971-601Verizon Wireless
Nearby cities in area code 503
Questions
- What is the area code for Seaside, OR?
- Seaside 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 Seaside in?
- Seaside is in the Pacific time zone.