Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-609
| 9 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2014-07-18 |
|
| 720-610
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-610
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 1 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 2 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 3 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 4 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 5 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 6 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 7 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 8 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-610
| 9 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-09-13 |
|
| 720-612
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-612
| 0 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-09-05 |
|
| 720-612
| 1 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-09-05 |
|
| 720-612
| 2 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-09-05 |
|
| 720-612
| 3 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-09-05 |
|
| 720-612
| 4 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2012-07-01 |
|
| 720-612
| 5 |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2012-06-08 |
|
| 720-612
| 6 |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2012-06-08 |
|
| 720-612
| 7 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2012-07-01 |
|
| 720-612
| 8 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2012-06-27 |
|
| 720-612
| 9 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-09-05 |
|
| 720-614
| A |
DNVRCO26XOX |
996H AIRESPRING, INC. |
656 |
|
|
|
| 720-614
| 0 |
DNVRCO26XOX |
996H AIRESPRING, INC. |
656 |
|
2018-11-18 |
|
| 720-614
| 1 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-614
| 2 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-614
| 3 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-614
| 4 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-614
| 5 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2018-12-17 |
|
| 720-614
| 6 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-614
| 7 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-614
| 8 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-614
| 9 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-11-21 |
|
| 720-616
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-616
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2014-11-02 |
|
| 720-616
| 1 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-06-03 |
|
| 720-616
| 2 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-06-03 |
|
| 720-616
| 3 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-06-03 |
|
| 720-616
| 4 |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2015-06-04 |
|
| 720-616
| 5 |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2015-06-04 |
|
| 720-616
| 6 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2014-10-20 |
|
| 720-616
| 7 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2015-06-03 |
|
| 720-616
| 8 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-06-03 |
|
| 720-616
| 9 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2014-11-02 |
|
| 720-617
| A |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 720-617
| 0 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2019-06-18 |
|
| 720-617
| 1 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2019-06-18 |
|
| 720-617
| 2 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2019-06-18 |
|
| 720-617
| 3 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2019-06-18 |
|
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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