Prefix 503-208 — Portland, OR
503-208 identifies a block of numbers in Portland, OR, within the 503 area code. Every US prefix is tied to exactly one rate center; this one is Portland.
The rate center lies in the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area. The serving LATA is 672. Local time follows the Pacific zone.
Treat the on-screen number as a hint, not evidence — 503-208 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
NANPA's central-office code records list NEW CINGULAR WIRELESS PCS, LLC (OCN 6010) as the code holder, assigned October 27, 2008. Because 503-208 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 503-205 | Portland | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 503-206 | Portland | ONVOY, LLC - OR |
| 503-207 | Beaverton | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 503-209 | Portland | T-MOBILE USA, INC. |
| 503-210 | Clackamas | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
| 503-212 | Clackamas | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
FAQ
Where is 503-208 located?
The prefix is assigned to the Portland rate center in OR, area code 503. It is part of the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area.
Which company owns 503-208 numbers?
NEW CINGULAR WIRELESS PCS, LLC holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 503-208 safe to answer?
The prefix itself says nothing about the caller. Legitimate Portland businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.