Hudson, CO — rate center

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

State
Colorado
Area codes
303, 720
Active prefixes
10
Carriers
7
Pooled prefixes
10
LATA
656

Hudson is a telephone rate center in Colorado served by area codes 303, 720. A rate center is the locality the phone industry uses to anchor numbers for billing; every prefix listed below is registered here.

10 central-office prefixes are currently anchored to this rate center, held by 7 different carriers. Pooling applies to 10 of them — individual thousands-blocks may belong to different companies.

Routing-wise it sits in LATA 656.

Because 303, 720 all serve this territory, two Hudson numbers can look completely different while being neighbors — check the prefix, not just the area code.

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 Hudson

Prefixes anchored to the Hudson rate center
PrefixCode holderPooled
303-500 LEVEL 3 COMMUNICATIONS, LLC - CO Yes
303-536 QWEST CORPORATION Yes

FAQ

What area code is Hudson, CO?

Hudson is served by 2 area codes — 303, 720 — which overlay the same territory.

How many prefixes does Hudson have?

10 active NXX prefixes are anchored to this rate center in NANPA records, held by 7 carriers.

Is a call from a Hudson prefix really from Hudson?

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