Local Calling Guide
Area code/prefix search
Longmont, CO
<< 1 2 3 4 5 6 7 8 9 10 11 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-204
| 1 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 2 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 3 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 4 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 5 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2005-07-30 |
|
| 720-204
| 6 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2011-01-18 |
|
| 720-204
| 7 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-05-02 |
|
| 720-204
| 8 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-03-19 |
|
| 720-204
| 9 |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2021-07-19 |
|
| 720-340
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-340
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-06 |
|
| 720-340
| 1 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-02-19 |
|
| 720-340
| 2 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-02-19 |
|
| 720-340
| 3 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-30 |
|
| 720-340
| 4 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-04-01 |
|
| 720-340
| 5 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-07-03 |
|
| 720-340
| 6 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-09-07 |
|
| 720-340
| 7 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-10-30 |
|
| 720-340
| 8 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-11-15 |
|
| 720-340
| 9 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-02-07 |
|
| 720-378
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-378
| 0 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-03-19 |
|
| 720-378
| 1 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-05-16 |
|
| 720-378
| 2 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-07-22 |
|
| 720-378
| 3 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-07-22 |
|
| 720-378
| 4 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-05-10 |
|
| 720-378
| 5 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2010-11-11 |
|
| 720-378
| 6 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-11-14 |
|
| 720-378
| 7 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-08-14 |
|
| 720-378
| 8 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-03-29 |
|
| 720-378
| 9 |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2011-03-19 |
|
| 720-438
| A |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-438
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-31 |
|
| 720-438
| 1 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-12-04 |
|
| 720-438
| 2 |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2009-01-22 |
|
| 720-438
| 3 |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2007-11-08 |
|
| 720-438
| 4 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-04-30 |
|
| 720-438
| 5 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-08-20 |
|
| 720-438
| 6 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2009-07-16 |
|
| 720-438
| 7 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-11-24 |
|
| 720-438
| 8 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-07-03 |
|
| 720-438
| 9 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-09-15 |
|
| 720-442
| A |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-442
| 0 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-03 |
|
| 720-442
| 1 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-06-06 |
|
| 720-442
| 2 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2011-06-06 |
|
| 720-442
| 3 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-06-23 |
|
| 720-442
| 4 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-28 |
|
| 720-442
| 5 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-08-08 |
|
| 720-442
| 6 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-09-07 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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