Grand Island, OR — rate center
- State
- Oregon
- Active prefixes
- 3
- Carriers
- 3
- Pooled prefixes
- 3
- LATA
- 672
- Metro area
- Portland-Vancouver-Hillsboro, OR-WA MSA
In NANP numbering, Grand Island, Oregon is a rate center — the anchor point for local numbers. It is reached through 503, 971 (multiple area codes serve it).
3 central-office prefixes are currently anchored to this rate center, held by 3 different carriers. Pooling applies to 3 of them — individual thousands-blocks may belong to different companies.
The rate center belongs to the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area. Routing-wise it sits in LATA 672.
Because 503, 971 all serve this territory, two Grand Island numbers can look completely different while being neighbors — check the prefix, not just the area code.
Grand Island is a small rate center: 3 prefixes across 3 carriers serve it. Small localities like this often keep the same blocks for decades, so the prefix-to-place mapping tends to be stable.
Treat this data as geography of the number, not of the caller: porting, VoIP and caller-ID spoofing all detach the two. When a call matters, hang up and call back through an official number.
Prefixes anchored to Grand Island
| Prefix | Code holder | Pooled |
|---|---|---|
| 503-868 | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | Yes |
FAQ
What area code is Grand Island, OR?
Grand Island is served by 2 area codes — 503, 971 — which overlay the same territory.
How many prefixes does Grand Island have?
3 active NXX prefixes are anchored to this rate center in NANPA records, held by 3 carriers.
Is a call from a Grand Island prefix really from Grand Island?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.