Local Calling Guide
Area code/prefix search
Longmont, CO
<< 1 2 3 4 5 6 7 8 9 10 11 12
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 983-226
| 4 |
|
321J HD CARRIER LLC |
656 |
|
2025-11-27 |
|
| 983-226
| 5 |
|
321J HD CARRIER LLC |
656 |
|
2025-11-27 |
|
| 983-226
| 6 |
|
321J HD CARRIER LLC |
656 |
|
2025-11-27 |
|
| 983-226
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-11-28 |
|
| 983-226
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2025-11-28 |
|
| 983-226
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-11-28 |
|
| 983-983
| A |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
|
|
| 983-983
| 0 |
DNVRCOMA51Z |
839J EON TELECOM, INC. |
656 |
|
2023-06-03 |
|
| 983-983
| 1 |
DNVTCOZIGMD |
732J NUSO, LLC |
656 |
|
2023-12-28 |
|
| 983-983
| 2 |
DNVTCOZIGMD |
732J NUSO, LLC |
656 |
|
2023-12-28 |
|
| 983-983
| 3 |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2023-06-02 |
|
| 983-983
| 4 |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2023-06-02 |
|
| 983-983
| 5 |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2023-06-02 |
|
| 983-983
| 6 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2024-04-04 |
|
| 983-983
| 7 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2023-09-08 |
|
| 983-983
| 8 |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2023-09-08 |
|
| 983-983
| 9 |
DNVRCO26XWX |
616J LEAP TELECOM, LLC |
656 |
|
2023-06-05 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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