Prefix 503-893 — Portland, OR
Numbers in the 503-893 prefix are registered to the Portland rate center in OR, inside area code 503. The prefix is the second block of a ten-digit US number (503-893-XXXX) and pins the number to a billing locality.
NANPA's central-office code records list IP HORIZON LLC (OCN 515J) as the code holder, assigned July 10, 2009. Because 503-893 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
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.
Spoofing means this prefix on your screen doesn't guarantee a Portland caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 503-890 | Portland | T-MOBILE USA, INC. |
| 503-891 | Portland | T-MOBILE USA, INC. |
| 503-892 | Portland | QWEST CORPORATION |
| 503-894 | Portland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR |
| 503-895 | Hood Land | ONVOY, LLC - OR |
| 503-896 | Portland | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR |
FAQ
Where is 503-893 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 503-893 numbers?
IP HORIZON 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 503-893 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.