Local Calling Guide
Area code/prefix search
NPA: 720
[Rate centres in NPA 720]
[Dial plan for NPA 720]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-419
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2016-05-14 |
|
| 720-420
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-420
| 0 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-09-19 |
|
| 720-420
| 1 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-07-17 |
|
| 720-420
| 2 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2010-08-04 |
|
| 720-420
| 3 |
Denver |
CO |
DNVRCO03DS1 |
5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO |
656 |
|
2010-07-29 |
|
| 720-420
| 4 |
Denver |
CO |
DNVRCO03DS1 |
5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO |
656 |
|
2010-07-29 |
|
| 720-420
| 5 |
Denver |
CO |
DNVRCO03DS1 |
5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO |
656 |
|
2010-07-29 |
|
| 720-420
| 6 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-08-14 |
|
| 720-420
| 7 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-08-14 |
|
| 720-420
| 8 |
Denver |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2010-08-04 |
|
| 720-420
| 9 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-09-19 |
|
| 720-421
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-421
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-421
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 720-422
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-423
| A |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-423
| 0 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-423
| 1 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-423
| 2 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-423
| 3 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-423
| 4 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-07-15 |
|
| 720-423
| 5 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-423
| 6 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-423
| 7 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-423
| 8 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-07-15 |
|
| 720-423
| 9 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| A |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-424
| 0 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 1 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 2 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 3 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 4 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 5 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 6 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 7 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 8 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-424
| 9 |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
2004-06-15 |
|
| 720-425
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-425
| 0 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-07 |
|
| 720-425
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-07 |
|
| 720-425
| 2 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-07 |
|
| 720-425
| 3 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-28 |
|
| 720-425
| 4 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-28 |
|
| 720-425
| 5 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-28 |
|
| 720-425
| 6 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-08-11 |
|
| 720-425
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-09-22 |
|
| 720-425
| 8 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-09-29 |
|
| 720-425
| 9 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-08-11 |
|
| 720-426
| A |
Denver |
CO |
DNVRCOCHDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-426
| 0 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 1 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 2 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 3 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 4 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 5 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 6 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 7 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 8 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-426
| 9 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2010-05-20 |
|
| 720-427
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-428
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-428
| 0 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-07-13 |
|
| 720-428
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-07-13 |
|
| 720-428
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-02-02 |
|
| 720-428
| 3 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2012-06-07 |
|
| 720-428
| 4 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2012-06-07 |
|
| 720-428
| 5 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2012-06-07 |
|
| 720-428
| 6 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2012-06-07 |
|
| 720-428
| 7 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2012-06-07 |
|
| 720-428
| 8 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2012-06-28 |
|
| 720-428
| 9 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-07-13 |
|
| 720-429
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-429
| 0 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 1 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 2 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 3 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 4 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 5 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 6 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 7 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 8 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-429
| 9 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-08-23 |
|
| 720-430
| A |
Denver |
CO |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
|
|
| 720-430
| 0 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
| 720-430
| 1 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
| 720-430
| 2 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
| 720-430
| 3 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
| 720-430
| 4 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
| 720-430
| 5 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
| 720-430
| 6 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
| 720-430
| 7 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2012-08-20 |
|
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Last updated: Fri, 25 Jul 2025 03:21:23 UTC
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