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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 970-804
| 7 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-03-10 |
|
| 970-804
| 8 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-03-10 |
|
| 970-804
| 9 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-12-27 |
|
| 970-805
| A |
Mead |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 970-805
| 0 |
Mead |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-02-09 |
|
| 970-805
| 1 |
Mead |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2006-04-04 |
|
| 970-805
| 2 |
Mead |
CO |
DNVRCOMA51Z |
839J EON TELECOM, INC. |
656 |
|
2023-06-25 |
|
| 970-805
| 3 |
Mead |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2011-01-30 |
|
| 970-805
| 4 |
Mead |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2008-05-15 |
|
| 970-805
| 6 |
Mead |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2011-12-12 |
|
| 970-805
| 7 |
Mead |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-11-24 |
|
| 970-805
| 9 |
Mead |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-17 |
|
| 970-806
| A |
Johnstown-Milliken |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
|
|
| 970-806
| 0 |
Johnstown-Milliken |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-12-02 |
|
| 970-806
| 1 |
Johnstown-Milliken |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2021-12-02 |
|
| 970-806
| 2 |
Johnstown-Milliken |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2021-12-13 |
|
| 970-806
| 3 |
Johnstown-Milliken |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2021-12-13 |
|
| 970-806
| 4 |
Johnstown-Milliken |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2022-11-13 |
|
| 970-806
| 5 |
Johnstown-Milliken |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2022-11-25 |
|
| 970-806
| 6 |
Johnstown-Milliken |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2022-11-25 |
|
| 970-806
| 7 |
Johnstown-Milliken |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2022-11-18 |
|
| 970-806
| 8 |
Johnstown-Milliken |
CO |
|
515J IP HORIZON LLC |
656 |
|
2022-04-29 |
|
| 970-806
| 9 |
Johnstown-Milliken |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2021-12-28 |
|
| 970-807
| A |
Aspen |
CO |
DNVRCO26DMD |
197D VONAGE AMERICA LLC |
656 |
|
|
|
| 970-807
| 0 |
Aspen |
CO |
DNVTCOZI6MD |
073H TELNYX LLC |
656 |
|
2023-06-12 |
|
| 970-807
| 1 |
Aspen |
CO |
DNVTCOZICMD |
515J IP HORIZON LLC |
656 |
|
2024-07-12 |
|
| 970-807
| 2 |
Aspen |
CO |
|
6529 T-MOBILE USA, INC. |
656 |
|
2025-03-12 |
|
| 970-807
| 5 |
Aspen |
CO |
DNVRCO26DMD |
197D VONAGE AMERICA LLC |
656 |
|
2022-08-26 |
|
| 970-807
| 7 |
Aspen |
CO |
DNVRCOMA51Z |
839J EON TELECOM, INC. |
656 |
|
2023-06-20 |
|
| 970-807
| 8 |
Aspen |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2024-04-06 |
|
| 970-807
| 9 |
Aspen |
CO |
DNVRCO26XLX |
939H COMMIO, LLC |
656 |
|
2024-04-06 |
|
| 970-808
| A |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-808
| 0 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-04-14 |
|
| 970-808
| 1 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-12 |
|
| 970-808
| 2 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-12 |
|
| 970-808
| 3 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-12 |
|
| 970-808
| 4 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-12 |
|
| 970-808
| 5 |
Delta |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-05-23 |
|
| 970-808
| 6 |
Delta |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-808
| 7 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2011-03-13 |
|
| 970-808
| 9 |
Delta |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-809
| A |
Red Feather Lakes |
CO |
DNVRCO26XUX |
516J TON80 COMMUNICATIONS, LLC |
656 |
|
|
|
| 970-809
| 0 |
Red Feather Lakes |
CO |
DNVRCO26XUX |
516J TON80 COMMUNICATIONS, LLC |
656 |
|
2022-05-26 |
|
| 970-809
| 1 |
Red Feather Lakes |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-07-22 |
|
| 970-809
| 7 |
Red Feather Lakes |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2023-03-05 |
|
| 970-809
| 8 |
Red Feather Lakes |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2022-07-28 |
|
| 970-810
| A |
Greeley |
CO |
GRELCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-810
| 0 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 1 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 2 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 3 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 4 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 5 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 6 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 7 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 8 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-810
| 9 |
Greeley |
CO |
|
9636 QWEST CORPORATION |
656 |
|
2015-02-08 |
|
| 970-812
| A |
Grand Junction |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 970-812
| 0 |
Grand Junction |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 970-812
| 1 |
Grand Junction |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 970-812
| 2 |
Grand Junction |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2011-02-07 |
|
| 970-812
| 3 |
Grand Junction |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-02-24 |
|
| 970-812
| 4 |
Grand Junction |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
|
|
| 970-812
| 5 |
Grand Junction |
CO |
GDJTCOFD5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
656 |
|
2008-06-22 |
|
| 970-812
| 6 |
Grand Junction |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-10 |
|
| 970-812
| 7 |
Grand Junction |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-07-31 |
|
| 970-812
| 8 |
Grand Junction |
CO |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2025-05-03 |
|
| 970-812
| 9 |
Grand Junction |
CO |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-06-23 |
|
| 970-813
| A |
Bayfield |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 970-813
| 0 |
Bayfield |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2021-11-29 |
|
| 970-813
| 1 |
Bayfield |
CO |
|
515J IP HORIZON LLC |
656 |
|
2022-09-11 |
|
| 970-813
| 9 |
Bayfield |
CO |
DNVRCO26XUX |
516J TON80 COMMUNICATIONS, LLC |
656 |
|
2021-11-30 |
|
| 970-814
| A |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-814
| 0 |
Durango |
CO |
|
6529 T-MOBILE USA, INC. |
656 |
|
2025-06-02 |
|
| 970-814
| 1 |
Durango |
CO |
|
515J IP HORIZON LLC |
656 |
|
2022-04-29 |
|
| 970-814
| 2 |
Durango |
CO |
DNVRCOII4MD |
5562 METROPCS, INC. |
656 |
|
2023-09-17 |
|
| 970-814
| 3 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2024-01-21 |
|
| 970-814
| 4 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2024-01-21 |
|
| 970-814
| 5 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-05-20 |
|
| 970-814
| 6 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-05-20 |
|
| 970-814
| 7 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-05-20 |
|
| 970-814
| 8 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-03-28 |
|
| 970-814
| 9 |
Durango |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2022-03-28 |
|
| 970-815
| A |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-815
| 0 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2014-08-11 |
|
| 970-815
| 1 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2014-09-06 |
|
| 970-815
| 2 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2014-08-26 |
|
| 970-815
| 3 |
Greeley |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2014-09-06 |
|
| 970-815
| 4 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2014-08-26 |
|
| 970-815
| 5 |
Greeley |
CO |
DNVRCOII0MD |
5562 METROPCS, INC. |
656 |
|
2014-09-02 |
|
| 970-815
| 6 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-10-09 |
|
| 970-815
| 7 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-06-11 |
|
| 970-815
| 8 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2014-07-01 |
|
| 970-815
| 9 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-05-04 |
|
| 970-816
| A |
Cortez |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-816
| 0 |
Cortez |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-816
| 1 |
Cortez |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-816
| 2 |
Cortez |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2020-01-15 |
|
| 970-816
| 3 |
Cortez |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2021-12-02 |
|
| 970-816
| 4 |
Cortez |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2021-12-02 |
|
<< 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 >>
Last updated: Fri, 25 Jul 2025 03:21:23 UTC
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