Local Calling Guide
Area code/prefix search
Denver, CO
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-556
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-08 |
|
| 720-556
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-08 |
|
| 720-556
| 3 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-08 |
|
| 720-556
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-08 |
|
| 720-556
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-08 |
|
| 720-556
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-08 |
|
| 720-556
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-29 |
|
| 720-556
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-29 |
|
| 720-556
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-29 |
|
| 720-557
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-557
| 0 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 3 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-07-27 |
|
| 720-557
| 8 |
|
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2013-07-30 |
|
| 720-557
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2013-07-30 |
|
| 720-558
| A |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-559
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-560
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-561
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-561
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-12 |
|
| 720-561
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-12 |
|
| 720-561
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
2008-05-18 |
|
| 720-561
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
2008-05-18 |
|
| 720-561
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
2008-05-18 |
|
| 720-561
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
2008-05-18 |
|
| 720-561
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
2008-05-18 |
|
| 720-561
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
2008-05-18 |
|
| 720-561
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
2008-05-18 |
|
| 720-561
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-07-12 |
|
| 720-562
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-11-29 |
|
| 720-563
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-11-29 |
|
| 720-563
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-563
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-11-29 |
|
| 720-564
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-565
| A |
BLDRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-566
| A |
BRFDCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-567
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-568
| A |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-03-07 |
|
| 720-568
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 6 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-568
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2008-03-07 |
|
| 720-569
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-569
| 0 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 1 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 4 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-569
| 9 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-11-22 |
|
| 720-570
| A |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 0 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 1 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 2 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 3 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 4 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 5 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-05-18 |
|
| 720-570
| 7 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 8 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 9 |
|
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-572
| A |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-572
| 0 |
|
5562 METROPCS, INC. |
656 |
|
2017-03-31 |
|
| 720-572
| 1 |
|
073H TELNYX LLC |
656 |
|
2017-03-23 |
|
| 720-572
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2017-02-28 |
|
| 720-572
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 5 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2017-01-30 |
|
| 720-572
| 7 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2017-03-02 |
|
| 720-572
| 9 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-12 |
|
| 720-573
| A |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-573
| 0 |
|
026D ONVOY, LLC - CO |
656 |
|
2014-12-04 |
|
| 720-573
| 1 |
|
026D ONVOY, LLC - CO |
656 |
|
2014-12-04 |
|
| 720-573
| 2 |
|
026D ONVOY, LLC - CO |
656 |
|
2014-12-04 |
|
| 720-573
| 3 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2014-12-02 |
|
| 720-573
| 4 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2015-01-08 |
|
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Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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