Warrenton, OR — rate center
In NANP numbering, Warrenton, Oregon is a rate center — the anchor point for local numbers. It is reached through 503, 971 (multiple area codes serve it).
The rate center currently carries 5 working prefixes, held by 4 different carriers. Pooling applies to 5 of them — individual thousands-blocks may belong to different companies.
Routing-wise it sits in LATA 672.
Because 503, 971 all serve this territory, two Warrenton numbers can look completely different while being neighbors — check the prefix, not just the area code.
Warrenton is a small rate center: 5 prefixes across 4 carriers serve it. Small localities like this often keep the same blocks for decades, so the prefix-to-place mapping tends to be stable.
A Warrenton prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to Warrenton
| Prefix | Code holder | Pooled |
|---|---|---|
| 503-861 | QWEST CORPORATION | Yes |
| 503-994 | ONVOY, LLC - OR | Yes |
FAQ
What area code is Warrenton, OR?
Warrenton is served by 2 area codes — 503, 971 — which overlay the same territory.
How many prefixes does Warrenton have?
5 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.
Is a call from a Warrenton prefix really from Warrenton?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.