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 |
| 720-675
| 5 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-07-27 |
|
| 720-675
| 6 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2009-07-27 |
|
| 720-675
| 7 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2009-09-28 |
|
| 720-675
| 8 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2009-09-28 |
|
| 720-675
| 9 |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2009-09-28 |
|
| 720-676
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-676
| 0 |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2016-11-24 |
|
| 720-676
| 1 |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2017-03-23 |
|
| 720-676
| 2 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2017-08-24 |
|
| 720-676
| 3 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2017-09-21 |
|
| 720-676
| 4 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2016-10-28 |
|
| 720-676
| 5 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2017-09-21 |
|
| 720-676
| 6 |
DNVRCOMA21Z |
156J RCLEC, INC. |
656 |
|
2017-09-11 |
|
| 720-676
| 7 |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2017-07-23 |
|
| 720-676
| 8 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2018-07-13 |
|
| 720-676
| 9 |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2016-12-01 |
|
| 720-677
| A |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-677
| 0 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 1 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 2 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 3 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 4 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 5 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 6 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 7 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 8 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-677
| 9 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-07-20 |
|
| 720-678
| A |
DNVRCOMAY0X |
425J CSC WIRELESS, LLC |
656 |
|
|
|
| 720-678
| 0 |
DNVRCOMA16Z |
809C INTRADO COMMUNICATIONS, LLC |
656 |
|
2019-11-24 |
|
| 720-678
| 1 |
DNVRCOMA16Z |
809C INTRADO COMMUNICATIONS, LLC |
656 |
|
2019-11-24 |
|
| 720-678
| 2 |
DNVRCOMAY0X |
425J CSC WIRELESS, LLC |
656 |
|
2019-11-23 |
|
| 720-678
| 3 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-12-14 |
|
| 720-678
| 4 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-12-14 |
|
| 720-678
| 5 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-12-14 |
|
| 720-678
| 6 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2020-07-22 |
|
| 720-678
| 7 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2020-07-22 |
|
| 720-678
| 8 |
DNVRCOMA16Z |
809C INTRADO COMMUNICATIONS, LLC |
656 |
|
2019-11-24 |
|
| 720-678
| 9 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2020-07-29 |
|
| 720-681
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-681
| 0 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 1 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 2 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 3 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 4 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 5 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 6 |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2019-05-25 |
|
| 720-681
| 7 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 8 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2019-05-24 |
|
| 720-681
| 9 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2019-05-24 |
|
| 720-682
| A |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-682
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 1 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 2 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 3 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 4 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 5 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 6 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 7 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 8 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-682
| 9 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2018-12-06 |
|
| 720-685
| A |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 0 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 1 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 2 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 3 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 4 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 5 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
2006-03-10 |
|
| 720-685
| 6 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2011-09-09 |
|
| 720-685
| 7 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 8 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-685
| 9 |
BITNCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-686
| A |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
|
|
| 720-686
| 0 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-11-28 |
|
| 720-686
| 1 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-11-28 |
|
| 720-686
| 2 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2010-11-28 |
|
| 720-686
| 3 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2024-09-15 |
|
| 720-686
| 4 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2024-09-15 |
|
| 720-686
| 5 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2010-11-28 |
|
| 720-686
| 6 |
DNVRCO26XSX |
145J TERRA NOVA TELECOM INC. |
656 |
|
2024-09-12 |
|
| 720-686
| 7 |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2024-09-15 |
|
| 720-686
| 8 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2010-11-28 |
|
| 720-686
| 9 |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2010-11-28 |
|
| 720-687
| A |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-687
| 0 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2020-01-19 |
|
| 720-687
| 1 |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2020-01-19 |
|
| 720-687
| 2 |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2020-01-19 |
|
| 720-687
| 3 |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2020-01-19 |
|
| 720-687
| 4 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-01-18 |
|
| 720-687
| 5 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-01-18 |
|
| 720-687
| 6 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-01-18 |
|
| 720-687
| 7 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-01-18 |
|
| 720-687
| 8 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-01-18 |
|
| 720-687
| 9 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-01-18 |
|
| 720-688
| A |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-688
| 0 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-09-23 |
|
| 720-688
| 1 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-10-31 |
|
| 720-688
| 2 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-05-29 |
|
| 720-688
| 3 |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-10-31 |
|
| 720-688
| 4 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2015-09-25 |
|
| 720-688
| 5 |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2015-09-25 |
|
<< 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: Fri, 25 Jul 2025 03:21:23 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.