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 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-395
| 0 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 1 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 2 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 3 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 4 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 5 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 6 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 7 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 8 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-395
| 9 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| A |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
|
|
| 720-396
| 0 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 1 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 2 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 3 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 4 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 5 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 6 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 7 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 8 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-396
| 9 |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-397
| A |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
|
|
| 720-397
| 0 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
| 720-397
| 1 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
| 720-397
| 2 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
| 720-397
| 3 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
| 720-397
| 4 |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-397
| 5 |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
| 720-397
| 6 |
DNVRCO26XSX |
145J TERRA NOVA TELECOM INC. |
656 |
|
2024-02-14 |
|
| 720-397
| 7 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
| 720-397
| 8 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
| 720-397
| 9 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
| 720-398
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-398
| 0 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-04-16 |
|
| 720-398
| 1 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-08-26 |
|
| 720-398
| 2 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2011-04-13 |
|
| 720-398
| 3 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2011-04-13 |
|
| 720-398
| 4 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2011-04-13 |
|
| 720-398
| 5 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-10-01 |
|
| 720-398
| 6 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-10-01 |
|
| 720-398
| 7 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-10-09 |
|
| 720-398
| 8 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-09-19 |
|
| 720-398
| 9 |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-09-19 |
|
| 720-399
| A |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-399
| 0 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
| 720-399
| 1 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-06-27 |
|
| 720-399
| 2 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-06-27 |
|
| 720-399
| 3 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-02-12 |
|
| 720-399
| 4 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-06-27 |
|
| 720-399
| 5 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-02-12 |
|
| 720-399
| 6 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
| 720-399
| 7 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
| 720-399
| 8 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
| 720-399
| 9 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
| 720-400
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-400
| 0 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2010-12-12 |
|
| 720-400
| 1 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2010-12-12 |
|
| 720-400
| 2 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2010-12-12 |
|
| 720-400
| 3 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-09-03 |
|
| 720-400
| 4 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-10-31 |
|
| 720-400
| 5 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-10-31 |
|
| 720-400
| 6 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-10-31 |
|
| 720-400
| 7 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-01-10 |
|
| 720-400
| 8 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-01-10 |
|
| 720-400
| 9 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2010-12-12 |
|
| 720-401
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-401
| 0 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 1 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 2 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 3 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 4 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 5 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 6 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 7 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 8 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-401
| 9 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-02-27 |
|
| 720-402
| A |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
|
|
| 720-402
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-06-27 |
|
| 720-402
| 1 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2011-06-27 |
|
| 720-402
| 2 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2011-06-27 |
|
| 720-402
| 3 |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2011-06-24 |
|
| 720-402
| 4 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-06-27 |
|
| 720-402
| 5 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-11 |
|
| 720-402
| 6 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-11 |
|
| 720-402
| 7 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-07-11 |
|
| 720-402
| 8 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-08-01 |
|
| 720-402
| 9 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-08-01 |
|
| 720-403
| A |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-403
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-12-03 |
|
| 720-403
| 1 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-12-03 |
|
| 720-403
| 2 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2014-04-03 |
|
| 720-403
| 3 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-12-03 |
|
| 720-403
| 4 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-12-03 |
|
| 720-403
| 5 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2013-11-11 |
|
| 720-403
| 6 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2013-11-11 |
|
| 720-403
| 7 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-12-03 |
|
| 720-403
| 8 |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-11-10 |
|
| 720-403
| 9 |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-11-10 |
|
| 720-404
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-405
| A |
DNVRCOMA16Z |
809C INTRADO COMMUNICATIONS, LLC |
656 |
|
|
|
<< 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 >>
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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