Local Calling Guide
Area code/prefix search
Region: CO
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 970-499
| 2 |
South Laramie |
CO |
CSPRWYDN0MD |
026D ONVOY, LLC - CO |
654 |
|
2020-12-18 |
|
| 970-499
| 3 |
South Laramie |
CO |
CSPRWYDN0MD |
026D ONVOY, LLC - CO |
654 |
|
2020-12-18 |
|
| 970-499
| 4 |
South Laramie |
CO |
CHYNWYMAXAX |
508J CENTURYLINK COMMUNICATIONS, LLC |
654 |
|
2015-03-18 |
|
| 970-499
| 5 |
South Laramie |
CO |
CSPRWYDN0MD |
026D ONVOY, LLC - CO |
654 |
|
2012-12-12 |
|
| 970-499
| 6 |
South Laramie |
CO |
CSPRWYDN0MD |
026D ONVOY, LLC - CO |
654 |
|
2012-12-12 |
|
| 970-499
| 7 |
South Laramie |
CO |
CSPRWYDN0MD |
026D ONVOY, LLC - CO |
654 |
|
2007-09-29 |
|
| 970-499
| 8 |
South Laramie |
CO |
CSPRWYDN0MD |
026D ONVOY, LLC - CO |
654 |
|
2012-12-12 |
|
| 970-500
| A |
Weldona |
CO |
FTMRCOMA2MD |
312G NORTHERN COLORADO COMMUNICATIONS, LLC. - CO |
656 |
|
|
|
| 970-500
| 0 |
Weldona |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2015-08-05 |
|
| 970-500
| 1 |
Weldona |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-31 |
|
| 970-500
| 2 |
Weldona |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2016-04-14 |
|
| 970-500
| 3 |
Weldona |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2016-04-14 |
|
| 970-500
| 4 |
Weldona |
CO |
FTMRCOMA2MD |
312G NORTHERN COLORADO COMMUNICATIONS, LLC. - CO |
656 |
|
2014-09-23 |
|
| 970-500
| 5 |
Weldona |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2017-10-07 |
|
| 970-500
| 6 |
Weldona |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2020-10-30 |
|
| 970-500
| 7 |
Weldona |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-11-05 |
|
| 970-500
| 8 |
Weldona |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-31 |
|
| 970-500
| 9 |
Weldona |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2018-05-02 |
|
| 970-501
| A |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-501
| 0 |
Durango |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-05-15 |
|
| 970-501
| 1 |
Durango |
CO |
DNVRCOMA51Z |
839J EON TELECOM, INC. |
656 |
|
2023-06-25 |
|
| 970-501
| 2 |
Durango |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-10-16 |
|
| 970-501
| 3 |
Durango |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-10-16 |
|
| 970-501
| 4 |
Durango |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-10-16 |
|
| 970-501
| 5 |
Durango |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2021-11-07 |
|
| 970-501
| 6 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-07-09 |
|
| 970-501
| 7 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-07-09 |
|
| 970-501
| 8 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-04-16 |
|
| 970-501
| 9 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-04-16 |
|
| 970-502
| A |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 970-502
| 0 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-11-02 |
|
| 970-502
| 1 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-07-30 |
|
| 970-502
| 2 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-08-16 |
|
| 970-502
| 3 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-09-16 |
|
| 970-502
| 4 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-03-17 |
|
| 970-502
| 5 |
Greeley |
CO |
|
710A ALLO COMMUNICATIONS, LLC - NE |
656 |
|
2024-10-13 |
|
| 970-502
| 6 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-03-17 |
|
| 970-502
| 7 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2021-10-16 |
|
| 970-502
| 8 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2022-08-01 |
|
| 970-502
| 9 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2022-08-01 |
|
| 970-503
| A |
Greeley |
CO |
DNVRCOMA31Z |
710A ALLO COMMUNICATIONS, LLC - NE |
656 |
|
|
|
| 970-503
| 0 |
Greeley |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-08-28 |
|
| 970-503
| 1 |
Greeley |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-08-28 |
|
| 970-503
| 2 |
Greeley |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-08-28 |
|
| 970-503
| 3 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-11-02 |
|
| 970-503
| 4 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-09-09 |
|
| 970-503
| 5 |
Greeley |
CO |
DNVRCOMA31Z |
710A ALLO COMMUNICATIONS, LLC - NE |
656 |
|
2021-05-02 |
|
| 970-503
| 6 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-09-09 |
|
| 970-503
| 7 |
Greeley |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-08-28 |
|
| 970-503
| 8 |
Greeley |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-08-28 |
|
| 970-503
| 9 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-11-02 |
|
| 970-504
| A |
Carbondale |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
|
|
| 970-504
| 0 |
Carbondale |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2024-03-08 |
|
| 970-504
| 1 |
Carbondale |
CO |
DNVRCOMA51Z |
839J EON TELECOM, INC. |
656 |
|
2023-06-25 |
|
| 970-504
| 3 |
Carbondale |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2022-07-25 |
|
| 970-504
| 5 |
Carbondale |
CO |
DNVRCOII0MD |
5562 METROPCS, INC. |
656 |
|
2022-08-27 |
|
| 970-505
| A |
Glenwood Springs |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-505
| 0 |
Glenwood Springs |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2023-02-20 |
|
| 970-505
| 1 |
Glenwood Springs |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2025-01-03 |
|
| 970-505
| 2 |
Glenwood Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-10-14 |
|
| 970-505
| 3 |
Glenwood Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-10-14 |
|
| 970-505
| 4 |
Glenwood Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-10-14 |
|
| 970-505
| 5 |
Glenwood Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-10-14 |
|
| 970-505
| 6 |
Glenwood Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-10-14 |
|
| 970-505
| 7 |
Glenwood Springs |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2023-11-06 |
|
| 970-505
| 8 |
Glenwood Springs |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2023-01-13 |
|
| 970-505
| 9 |
Glenwood Springs |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2023-01-13 |
|
| 970-506
| A |
Greeley |
CO |
GRELCOJCDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-507
| A |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-507
| 0 |
Pagosa Springs |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-05-22 |
|
| 970-507
| 1 |
Pagosa Springs |
CO |
DURNCOMA6MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-11-26 |
|
| 970-507
| 2 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2019-12-13 |
|
| 970-507
| 3 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-507
| 4 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-507
| 5 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-507
| 6 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-507
| 7 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-08-31 |
|
| 970-507
| 8 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-11-20 |
|
| 970-507
| 9 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-508
| A |
Durango |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-508
| 0 |
Durango |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2020-04-17 |
|
| 970-508
| 1 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-12-12 |
|
| 970-508
| 2 |
Durango |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2020-03-06 |
|
| 970-508
| 3 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-12-12 |
|
| 970-508
| 4 |
Durango |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2021-11-07 |
|
| 970-508
| 5 |
Durango |
CO |
|
6529 T-MOBILE USA, INC. |
656 |
|
2025-08-08 |
|
| 970-508
| 6 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-02-14 |
|
| 970-508
| 7 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2020-09-22 |
|
| 970-508
| 8 |
Durango |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-508
| 9 |
Durango |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-509
| A |
Fraser |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 970-509
| 0 |
Fraser |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 970-509
| 1 |
Fraser |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-509
| 2 |
Fraser |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2021-12-13 |
|
| 970-509
| 3 |
Fraser |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-509
| 4 |
Fraser |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-509
| 5 |
Fraser |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-02-09 |
|
| 970-509
| 6 |
Fraser |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2023-08-07 |
|
| 970-509
| 7 |
Fraser |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2022-01-14 |
|
| 970-509
| 8 |
Fraser |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
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Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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