Prefix 503-386 — Knappa, OR
A phone number starting 503-386 was issued in the Knappa rate center of OR — part of area code 503.
The assigned code holder is ONVOY, LLC - OR, operating company number 750E, assigned September 4, 2008. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 503-386 without ever touching OR. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
For routing purposes it sits in LATA 672. Numbers here keep Pacific time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 503-383 | Salem | TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
| 503-384 | Portland | QWEST CORPORATION |
| 503-385 | Salem | TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
| 503-387 | Clackamas | TELEPORT COMMUNICATIONS AMERICA, LLC - OR |
| 503-388 | Portland | NEW CINGULAR WIRELESS PCS, LLC |
| 503-389 | North Plains | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
FAQ
Where is 503-386 located?
The prefix is assigned to the Knappa rate center in OR, area code 503.
Which company owns 503-386 numbers?
ONVOY, LLC - OR 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 503-386 safe to answer?
The prefix itself says nothing about the caller. Legitimate Knappa businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.