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 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
720-396
| 1 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 2 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 3 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 4 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 5 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 6 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 7 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 8 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-396
| 9 |
Denver |
CO |
|
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-397
| A |
Denver |
CO |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
|
|
720-397
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
720-397
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
720-397
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
720-397
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
720-397
| 4 |
Denver |
CO |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-397
| 5 |
Denver |
CO |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
2009-10-26 |
|
720-397
| 6 |
Denver |
CO |
|
145J TERRA NOVA TELECOM INC. |
656 |
|
2024-02-14 |
|
720-397
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
720-397
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
720-397
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-10-27 |
|
720-398
| A |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
720-398
| 0 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-04-16 |
|
720-398
| 1 |
Denver |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-08-26 |
|
720-398
| 2 |
Denver |
CO |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2011-04-13 |
|
720-398
| 3 |
Denver |
CO |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2011-04-13 |
|
720-398
| 4 |
Denver |
CO |
ENWDCO47DS3 |
8980 XO COLORADO, LLC |
656 |
|
2011-04-13 |
|
720-398
| 5 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-10-01 |
|
720-398
| 6 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2010-10-01 |
|
720-398
| 7 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2010-10-09 |
|
720-398
| 8 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-09-19 |
|
720-398
| 9 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2010-09-19 |
|
720-399
| A |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
720-399
| 0 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
720-399
| 1 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-06-27 |
|
720-399
| 2 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-06-27 |
|
720-399
| 3 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-02-12 |
|
720-399
| 4 |
Denver |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-06-27 |
|
720-399
| 5 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-02-12 |
|
720-399
| 6 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
720-399
| 7 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
720-399
| 8 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
720-399
| 9 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-28 |
|
720-400
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
720-400
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2010-12-12 |
|
720-400
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2010-12-12 |
|
720-400
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2010-12-12 |
|
720-400
| 3 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-09-03 |
|
720-400
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-10-31 |
|
720-400
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-10-31 |
|
720-400
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2011-10-31 |
|
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Last updated: Sat, 01 Jun 2024 11:59:14 UTC
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