Deer Trail, CO — rate center

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

State
Colorado
Area codes
303, 720
Active prefixes
5
Carriers
3
Pooled prefixes
4
LATA
656
Metro area
Denver-Aurora-Centennial, CO MSA

In NANP numbering, Deer Trail, Colorado is a rate center — the anchor point for local numbers. It is reached through 303, 720 (multiple area codes serve it).

5 central-office prefixes are currently anchored to this rate center, held by 3 different carriers. Pooling applies to 4 of them — individual thousands-blocks may belong to different companies.

The rate center belongs to the Denver-Aurora-Centennial, CO Metropolitan Statistical Area. Routing-wise it sits in LATA 656.

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

Deer Trail is a small rate center: 5 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 Deer Trail

Prefixes anchored to the Deer Trail rate center
PrefixCode holderPooled
303-719 LEVEL 3 COMMUNICATIONS, LLC - CO Yes
303-769 BIJOU TEL. COOP. ASSN., INC. No

FAQ

What area code is Deer Trail, CO?

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

How many prefixes does Deer Trail have?

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

Is a call from a Deer Trail prefix really from Deer Trail?

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