Molalla, OR — rate center

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

Molalla is a telephone rate center in Oregon served by area code 503. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.

3 central-office prefixes are currently anchored to this rate center, held by 2 different carriers. Pooling applies to 1 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.

Molalla is a small rate center: 3 prefixes across 2 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 Molalla

FAQ

What area code is Molalla, OR?

Molalla numbers use area code 503.

How many prefixes does Molalla have?

3 active NXX prefixes are anchored to this rate center in NANPA records, held by 2 carriers.

Is a call from a Molalla prefix really from Molalla?

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