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 |
720-756
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-02-09 |
|
720-756
| 7 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2021-01-24 |
|
720-756
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-02-09 |
|
720-756
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-01-23 |
|
720-757
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
720-757
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 1 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 2 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 3 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 4 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 5 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 6 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 7 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 8 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-757
| 9 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-11-14 |
|
720-758
| A |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
|
|
720-758
| 0 |
Denver |
CO |
DNVRCOII4MD |
5562 METROPCS, INC. |
656 |
|
2017-03-31 |
|
720-758
| 1 |
Denver |
CO |
DNVRCOMDDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2017-03-03 |
|
720-758
| 2 |
Denver |
CO |
DNVRCOMDDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2017-03-03 |
|
720-758
| 3 |
Denver |
CO |
DNVRCOMDDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2017-03-03 |
|
720-758
| 4 |
Denver |
CO |
DNVRCOMDDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2017-03-03 |
|
720-758
| 5 |
Denver |
CO |
DNVRCOMDDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2017-03-03 |
|
720-758
| 6 |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2017-02-10 |
|
720-758
| 7 |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2017-02-10 |
|
720-758
| 8 |
Denver |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2017-02-10 |
|
720-758
| 9 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-05-28 |
|
720-759
| A |
Longmont |
CO |
BLDRCOWNDS0 |
777H PACOPTIC NETWORKS, LLC - CO |
656 |
|
|
|
720-759
| 0 |
Longmont |
CO |
BLDRCOWNDS0 |
777H PACOPTIC NETWORKS, LLC - CO |
656 |
|
2016-09-24 |
|
720-759
| 1 |
Longmont |
CO |
BLDRCOWNDS0 |
777H PACOPTIC NETWORKS, LLC - CO |
656 |
|
2016-09-24 |
|
720-759
| 2 |
Longmont |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2017-05-19 |
|
720-759
| 3 |
Longmont |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2017-05-19 |
|
720-759
| 4 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-05-28 |
|
720-759
| 5 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-05-28 |
|
720-759
| 6 |
Longmont |
CO |
BLDRCOWNDS0 |
777H PACOPTIC NETWORKS, LLC - CO |
656 |
|
2016-09-24 |
|
720-759
| 7 |
Longmont |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2017-05-28 |
|
720-759
| 8 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-03 |
|
720-759
| 9 |
Longmont |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2016-10-03 |
|
720-760
| A |
Denver |
CO |
DNVRCOMA40Z |
506J TWILIO INTERNATIONAL, INC. |
656 |
|
|
|
720-760
| 0 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-09-02 |
|
720-760
| 1 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-09-02 |
|
720-760
| 2 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-09-02 |
|
720-760
| 3 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-10-04 |
|
720-760
| 4 |
Denver |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-10-04 |
|
720-760
| 5 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2021-01-29 |
|
720-760
| 6 |
Denver |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2021-03-03 |
|
720-760
| 7 |
Denver |
CO |
DNVRCOMA40Z |
506J TWILIO INTERNATIONAL, INC. |
656 |
|
2020-12-13 |
|
720-760
| 8 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2021-01-29 |
|
720-760
| 9 |
Denver |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2021-03-03 |
|
720-761
| A |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
720-761
| 0 |
Denver |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-07-20 |
|
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Last updated: Sat, 01 Jun 2024 11:59:14 UTC
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