Local Calling Guide
Area code/prefix search
Denver, CO
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-584
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-08-20 |
|
| 720-584
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-08-20 |
|
| 720-584
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-08-20 |
|
| 720-584
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-08-20 |
|
| 720-584
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-08-20 |
|
| 720-585
| A |
|
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-585
| 0 |
|
641H TDS BROADBAND SERVICE LLC |
656 |
|
2025-11-03 |
|
| 720-585
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-18 |
|
| 720-585
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2012-12-18 |
|
| 720-585
| 3 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2024-09-19 |
|
| 720-585
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-18 |
|
| 720-585
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-18 |
|
| 720-585
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-18 |
|
| 720-585
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-18 |
|
| 720-585
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-18 |
|
| 720-585
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-18 |
|
| 720-586
| A |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-586
| 0 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-24 |
|
| 720-586
| 1 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-24 |
|
| 720-586
| 2 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-24 |
|
| 720-586
| 3 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-24 |
|
| 720-586
| 4 |
|
026D ONVOY, LLC - CO |
656 |
|
2017-07-25 |
|
| 720-586
| 5 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-24 |
|
| 720-586
| 6 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2017-07-25 |
|
| 720-586
| 7 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-24 |
|
| 720-586
| 8 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2017-07-25 |
|
| 720-586
| 9 |
|
5562 METROPCS, INC. |
656 |
|
2017-07-24 |
|
| 720-587
| A |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2025-04-08 |
|
| 720-587
| 0 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-587
| 1 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-587
| 2 |
|
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2009-06-16 |
|
| 720-587
| 3 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-587
| 4 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-587
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-16 |
|
| 720-587
| 6 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-587
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-11-29 |
|
| 720-587
| 8 |
|
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-587
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2007-11-29 |
|
| 720-588
| A |
FTCLCOMA7MD |
551G NUSO, LLC |
656 |
|
|
|
| 720-588
| 0 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-12-20 |
|
| 720-588
| 1 |
|
551G NUSO, LLC |
656 |
|
2012-12-19 |
|
| 720-588
| 2 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-12-20 |
|
| 720-588
| 3 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-12-20 |
|
| 720-588
| 4 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-12-20 |
|
| 720-588
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-20 |
|
| 720-588
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-20 |
|
| 720-588
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2012-12-20 |
|
| 720-588
| 8 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-12-20 |
|
| 720-588
| 9 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-12-20 |
|
| 720-589
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-589
| 0 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-09-30 |
|
| 720-589
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-05 |
|
| 720-589
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-05 |
|
| 720-589
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-05 |
|
| 720-589
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-05 |
|
| 720-589
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-05 |
|
| 720-589
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-05 |
|
| 720-589
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-01 |
|
| 720-589
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-01 |
|
| 720-589
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-07-01 |
|
| 720-590
| A |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-590
| 0 |
|
5562 METROPCS, INC. |
656 |
|
2013-12-25 |
|
| 720-590
| 1 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-04-09 |
|
| 720-590
| 2 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-04-09 |
|
| 720-590
| 3 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-04-09 |
|
| 720-590
| 4 |
|
829J PAETEC ITEL, LLC |
656 |
|
2013-04-14 |
|
| 720-590
| 5 |
|
829J PAETEC ITEL, LLC |
656 |
|
2013-04-14 |
|
| 720-590
| 6 |
|
026D ONVOY, LLC - CO |
656 |
|
2013-04-05 |
|
| 720-590
| 7 |
|
026D ONVOY, LLC - CO |
656 |
|
2013-04-05 |
|
| 720-590
| 8 |
|
026D ONVOY, LLC - CO |
656 |
|
2013-04-05 |
|
| 720-590
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2013-04-09 |
|
| 720-591
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-591
| 0 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 1 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 2 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 3 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 4 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 5 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 6 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 7 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 8 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-591
| 9 |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-30 |
|
| 720-592
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-592
| 0 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-02-11 |
|
| 720-592
| 1 |
|
318J COMCAST IP PHONE, LLC |
656 |
|
2017-02-11 |
|
| 720-592
| 2 |
|
829J PAETEC ITEL, LLC |
656 |
|
2017-02-11 |
|
| 720-592
| 3 |
|
829J PAETEC ITEL, LLC |
656 |
|
2017-02-11 |
|
| 720-592
| 4 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2017-02-10 |
|
| 720-592
| 5 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2017-02-10 |
|
| 720-592
| 6 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2017-02-10 |
|
| 720-592
| 7 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2017-02-10 |
|
| 720-592
| 8 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2017-02-10 |
|
| 720-592
| 9 |
|
6529 T-MOBILE USA, INC. |
656 |
|
2017-02-10 |
|
| 720-593
| A |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-593
| 0 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2014-05-20 |
|
| 720-593
| 1 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2014-05-20 |
|
| 720-593
| 2 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2014-05-20 |
|
| 720-593
| 3 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2014-05-20 |
|
| 720-593
| 4 |
|
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2014-05-20 |
|
| 720-593
| 5 |
|
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2014-05-17 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 >>
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
Sponsored by: BeeVox - Whitelabel Reseller Platform
Like this site? We accept donations via PayPal.