Allenspark-lyons, CO — rate center
Allenspark-lyons 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.
The rate center currently carries 12 working prefixes, held by 8 different carriers. Pooling applies to 12 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 Allenspark-lyons numbers can look completely different while being neighbors — check the prefix, not just the area code.
A Allenspark-lyons prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to Allenspark-lyons
| Prefix | Code holder | Pooled |
|---|---|---|
| 303-747 | QWEST CORPORATION | Yes |
| 303-823 | QWEST CORPORATION | Yes |
FAQ
What area code is Allenspark-lyons, CO?
Allenspark-lyons is served by 2 area codes — 303, 720 — which overlay the same territory.
How many prefixes does Allenspark-lyons have?
12 active NXX prefixes are anchored to this rate center in NANPA records, held by 8 carriers.
Is a call from a Allenspark-lyons prefix really from Allenspark-lyons?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.