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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 720-570
| 7 |
Denver |
CO |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 8 |
Denver |
CO |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-570
| 9 |
Denver |
CO |
DNVRCOSODS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 720-571
| A |
Allens Park-Lyons |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-571
| 0 |
Allens Park-Lyons |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2017-03-23 |
|
| 720-571
| 1 |
Allens Park-Lyons |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2017-06-22 |
|
| 720-571
| 2 |
Allens Park-Lyons |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2019-05-24 |
|
| 720-571
| 3 |
Allens Park-Lyons |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2016-05-09 |
|
| 720-571
| 4 |
Allens Park-Lyons |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-02-23 |
|
| 720-571
| 5 |
Allens Park-Lyons |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2018-12-14 |
|
| 720-571
| 6 |
Allens Park-Lyons |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2018-03-19 |
|
| 720-571
| 7 |
Allens Park-Lyons |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2016-04-28 |
|
| 720-571
| 8 |
Allens Park-Lyons |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2016-04-28 |
|
| 720-571
| 9 |
Allens Park-Lyons |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2018-11-04 |
|
| 720-572
| A |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 720-572
| 0 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2017-03-31 |
|
| 720-572
| 1 |
Denver |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2017-03-23 |
|
| 720-572
| 2 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2017-02-28 |
|
| 720-572
| 3 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 4 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 5 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 6 |
Denver |
CO |
AURRCOBUDS0 |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2017-01-30 |
|
| 720-572
| 7 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2017-01-31 |
|
| 720-572
| 8 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2017-03-02 |
|
| 720-572
| 9 |
Denver |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2017-07-12 |
|
| 720-573
| A |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
|
|
| 720-573
| 0 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2014-12-04 |
|
| 720-573
| 1 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2014-12-04 |
|
| 720-573
| 2 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2014-12-04 |
|
| 720-573
| 3 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2014-12-02 |
|
| 720-573
| 4 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2015-01-08 |
|
| 720-573
| 5 |
Denver |
CO |
AURSCOFWDS0 |
4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO |
656 |
|
2014-12-01 |
|
| 720-573
| 6 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2015-03-13 |
|
| 720-573
| 7 |
Denver |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2015-02-18 |
|
| 720-573
| 8 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2015-10-10 |
|
| 720-573
| 9 |
Denver |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2015-03-13 |
|
| 720-574
| A |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 720-574
| 0 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-08-31 |
|
| 720-574
| 1 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-08-31 |
|
| 720-574
| 2 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-08-31 |
|
| 720-574
| 3 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-08-31 |
|
| 720-574
| 4 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-09-24 |
|
| 720-574
| 5 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-09-24 |
|
| 720-574
| 6 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-09-24 |
|
| 720-574
| 7 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-09-24 |
|
| 720-574
| 8 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-09-24 |
|
| 720-574
| 9 |
Denver |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-09-24 |
|
| 720-575
| A |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 720-575
| 0 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2015-01-10 |
|
| 720-575
| 1 |
Denver |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2015-01-10 |
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 >>
Last updated: Fri, 10 Jul 2026 02:55:48 UTC
Sponsored by: LES.NET
Like this site? We accept donations via PayPal.