Keenesburg, CO — rate center
- State
- Colorado
- Active prefixes
- 12
- Carriers
- 6
- Pooled prefixes
- 12
- LATA
- 656
- Metro area
- Denver-Aurora-Centennial, CO MSA
In NANP numbering, Keenesburg, Colorado is a rate center — the anchor point for local numbers. It is reached through 303, 720 (multiple area codes serve it).
NANPA records show 12 active prefixes here, held by 6 different carriers. Pooling applies to 12 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 Keenesburg numbers can look completely different while being neighbors — check the prefix, not just the area code.
As always with US numbering: a prefix anchored to Keenesburg 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 Keenesburg
| Prefix | Code holder | Pooled |
|---|---|---|
| 303-578 | LEVEL 3 COMMUNICATIONS, LLC - CO | Yes |
| 303-616 | ONVOY SPECTRUM, LLC | Yes |
| 303-732 | QWEST CORPORATION | Yes |
FAQ
What area code is Keenesburg, CO?
Keenesburg is served by 2 area codes — 303, 720 — which overlay the same territory.
How many prefixes does Keenesburg have?
12 active NXX prefixes are anchored to this rate center in NANPA records, held by 6 carriers.
Is a call from a Keenesburg prefix really from Keenesburg?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.