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 |
| 720-335
| 6 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2008-03-03 |
|
| 720-335
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-03-09 |
|
| 720-335
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-03-09 |
|
| 720-335
| 9 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-336
| A |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-336
| 0 |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-09-16 |
|
| 720-336
| 1 |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-09-16 |
|
| 720-336
| 2 |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-09-17 |
|
| 720-336
| 3 |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-11-15 |
|
| 720-336
| 4 |
Keenesburg |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-03-05 |
|
| 720-336
| 5 |
Keenesburg |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-12-08 |
|
| 720-336
| 6 |
Keenesburg |
CO |
DNVTCO56AMD |
8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO |
656 |
|
2011-01-03 |
|
| 720-336
| 7 |
Keenesburg |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2012-02-26 |
|
| 720-336
| 8 |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-04-29 |
|
| 720-336
| 9 |
Keenesburg |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-04-29 |
|
| 720-337
| A |
Denver |
CO |
DNVRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-337
| 0 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 1 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 2 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 3 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 4 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 5 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 6 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 7 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 8 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-337
| 9 |
Denver |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2009-07-31 |
|
| 720-338
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 720-339
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 2 |
Denver |
CO |
|
026D ONVOY, LLC - CO |
656 |
|
2009-09-15 |
|
| 720-339
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-339
| 9 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 720-340
| A |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-340
| 0 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-11-06 |
|
| 720-340
| 1 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-02-19 |
|
| 720-340
| 2 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-02-19 |
|
| 720-340
| 3 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-05-30 |
|
| 720-340
| 4 |
Longmont |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-04-01 |
|
| 720-340
| 5 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-07-03 |
|
| 720-340
| 6 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-09-07 |
|
| 720-340
| 7 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-10-30 |
|
| 720-340
| 8 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-11-15 |
|
| 720-340
| 9 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-02-07 |
|
| 720-341
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 720-342
| A |
Denver |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-342
| 0 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 1 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 2 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 3 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 4 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 5 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 6 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 7 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 8 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-342
| 9 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-06-06 |
|
| 720-343
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 720-343
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-08-10 |
|
| 720-343
| 1 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 3 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 4 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 5 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-01-31 |
|
| 720-343
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-05-31 |
|
| 720-343
| 7 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2003-12-22 |
|
| 720-343
| 8 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2003-12-22 |
|
| 720-343
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-08-10 |
|
| 720-344
| A |
Denver |
CO |
LTTNCOHLDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-345
| A |
Denver |
CO |
DNVRCOMAGT7 |
588A ZIPPYTECH INCORPORATED |
656 |
|
|
|
| 720-345
| 0 |
Denver |
CO |
DNVRCOMAGT7 |
588A ZIPPYTECH INCORPORATED |
656 |
|
2008-02-29 |
|
| 720-345
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-01 |
|
| 720-345
| 5 |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2008-06-30 |
|
| 720-345
| 6 |
Denver |
CO |
ENWDCOABDS0 |
9636 QWEST CORPORATION |
656 |
|
2008-06-30 |
|
| 720-345
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-345
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-345
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-06-21 |
|
| 720-346
| A |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 720-346
| 0 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 2 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 3 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 4 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 5 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-25 |
|
| 720-346
| 6 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-01-15 |
|
| 720-346
| 7 |
Denver |
CO |
|
026D ONVOY, LLC - CO |
656 |
|
2009-09-15 |
|
| 720-346
| 8 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-06-22 |
|
| 720-346
| 9 |
Denver |
CO |
DNVRCOMA53Z |
732J NUSO, LLC |
656 |
|
2024-12-04 |
|
| 720-347
| A |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-347
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
| 720-347
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-11-13 |
|
<< 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 >>
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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