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Cedar Mill, OR Area Codes

Cedar Mill, Oregon (population 19,482) uses area codes 503 and 971.

Area code503
Area code971
Time zonePacific
Local time now…

Cedar Mill has no telephone exchange of its own in NANPA records; it is served by the Beaverton exchange about 6.5 km away.

Cedar MillPortlandSalemGreshamHillsboroBeavertonTigardAlohaLake OswegoKeizerOregon CityMcMinnvilleWoodburnCedar Mill
Cedar Mill and nearby cities in area code 503

Carriers with Cedar Mill numbers

178 prefixes are assigned to the Beaverton exchange: 16% mobile, 34% VoIP and cable, 50% landline.

CarrierPrefixes
Ziply Fiber61
AT&T Mobility21
Verizon Business (MCImetro)18
Allstream14
Lumen (Level 3)11
AT&T (Teleport)10
Onvoy (Sinch)9
Metropcs8

Area codes used in Cedar Mill

Area codePrefixes serving Cedar MillMain carriers in this code
503107Lumen (Qwest), Ziply Fiber, AT&T Mobility
97171AT&T Mobility, Onvoy (Sinch), T-Mobile

Cedar Mill phone number prefixes

Numbers starting with these first six digits were originally assigned to the Beaverton exchange.

Nearby cities in area code 503

Questions

What is the area code for Cedar Mill, OR?
Cedar Mill 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 Cedar Mill in?
Cedar Mill is in the Pacific time zone.