Saint Helens, OR — rate center

NANPA rate center & CO code data, current as of July 28, 2026.

State
Oregon
Area codes
503, 971
Active prefixes
13
Carriers
8
Pooled prefixes
10
LATA
672
Metro area
Portland-Vancouver-Hillsboro, OR-WA MSA

The Saint Helens rate center (Oregon) anchors 13 active prefixes under area codes 503, 971. Rate centers, not city limits, are what phone numbers are legally tied to.

NANPA records show 13 active prefixes here across 8 carriers. 10 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.

The rate center belongs to the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area. Routing-wise it sits in LATA 672.

Multiple area codes over one rate center (503/971) is the overlay pattern: same geography, different first three digits.

As always with US numbering: a prefix anchored to Saint Helens tells you where the block was issued. The person calling may have ported the number, moved away, or be spoofing it entirely — verify callers through independently found contact details.

Prefixes anchored to Saint Helens

Prefixes anchored to the Saint Helens rate center
PrefixCode holderPooled
503-366 QWEST CORPORATION No
503-369 NEW CINGULAR WIRELESS PCS, LLC Yes
503-396 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR Yes
503-397 QWEST CORPORATION No
503-410 METROPCS, INC. Yes
503-438 TELEPORT COMMUNICATIONS AMERICA, LLC - OR Yes

FAQ

What area code is Saint Helens, OR?

Saint Helens is served by 2 area codes — 503, 971 — which overlay the same territory.

How many prefixes does Saint Helens have?

13 active NXX prefixes are anchored to this rate center in NANPA records, held by 8 carriers.

Is a call from a Saint Helens prefix really from Saint Helens?

Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.