Aurora, OR — rate center

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

State
Oregon
Area codes
503, 971
Active prefixes
4
Carriers
4
Pooled prefixes
4
LATA
672
Metro area
Portland-Vancouver-Hillsboro, OR-WA MSA

In NANP numbering, Aurora, Oregon is a rate center — the anchor point for local numbers. It is reached through 503, 971 (multiple area codes serve it).

NANPA records show 4 active prefixes here, held by 4 different carriers. Pooling applies to 4 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 Aurora numbers can look completely different while being neighbors — check the prefix, not just the area code.

Aurora is a small rate center: 4 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.

As always with US numbering: a prefix anchored to Aurora 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 Aurora

Prefixes anchored to the Aurora rate center
PrefixCode holderPooled
503-678 CENTURYTEL OF OREGON, INC. DBA CENTURYLINK Yes
503-776 LEVEL 3 TELECOM OF OREGON, LLC - OR Yes

FAQ

What area code is Aurora, OR?

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

How many prefixes does Aurora have?

4 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.

Is a call from a Aurora prefix really from Aurora?

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