Roggen, CO — rate center
The Roggen rate center (Colorado) anchors 2 active prefixes under area codes 303, 983. Rate centers, not city limits, are what phone numbers are legally tied to.
NANPA records show 2 active prefixes here across 2 carriers. 1 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
Routing-wise it sits in LATA 656.
Multiple area codes over one rate center (303/983) is the overlay pattern: same geography, different first three digits.
With only 2 prefixes, Roggen sits at the small end of Colorado's rate centers — a handful of carrier blocks cover the whole locality, and a number from here is a fairly strong locality signal (before porting is considered).
As always with US numbering: a prefix anchored to Roggen 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 Roggen
| Prefix | Code holder | Pooled |
|---|---|---|
| 303-849 | ROGGEN TEL. COOP. CO. | No |
FAQ
What area code is Roggen, CO?
Roggen is served by 2 area codes — 303, 983 — which overlay the same territory.
How many prefixes does Roggen have?
2 active NXX prefixes are anchored to this rate center in NANPA records, held by 2 carriers.
Is a call from a Roggen prefix really from Roggen?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.