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 |
| 970-538
| 9 |
Telluride |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-539
| A |
Greeley |
CO |
DNVRCOII0MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 970-539
| 0 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 1 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 2 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 3 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 4 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 5 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 6 |
Greeley |
CO |
DNVRCOII0MD |
5562 METROPCS, INC. |
656 |
|
2014-09-02 |
|
| 970-539
| 7 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 8 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-539
| 9 |
Greeley |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-11-12 |
|
| 970-540
| A |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-540
| 0 |
Delta |
CO |
|
515J IP HORIZON LLC |
656 |
|
2022-04-29 |
|
| 970-540
| 4 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-540
| 5 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-541
| A |
Loveland |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
|
|
| 970-541
| 0 |
Loveland |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-09-04 |
|
| 970-541
| 1 |
Loveland |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-02-28 |
|
| 970-541
| 2 |
Loveland |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-23 |
|
| 970-541
| 3 |
Loveland |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2011-11-17 |
|
| 970-541
| 4 |
Loveland |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-12-23 |
|
| 970-541
| 5 |
Loveland |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2012-09-01 |
|
| 970-541
| 6 |
Loveland |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2010-07-30 |
|
| 970-541
| 7 |
Loveland |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-11-15 |
|
| 970-541
| 8 |
Loveland |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2012-08-22 |
|
| 970-541
| 9 |
Loveland |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-10-06 |
|
| 970-542
| A |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-542
| 0 |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-542
| 1 |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-542
| 2 |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-542
| 3 |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-542
| 4 |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-542
| 5 |
Fort Morgan |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-07-28 |
|
| 970-542
| 6 |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-542
| 7 |
Fort Morgan |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2006-11-04 |
|
| 970-542
| 8 |
Fort Morgan |
CO |
DNVRCOMAGT7 |
588A ZIPPYTECH INCORPORATED |
656 |
|
2011-04-10 |
|
| 970-542
| 9 |
Fort Morgan |
CO |
FTMRCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-543
| A |
Mesa |
CO |
DNVRCO26XUX |
516J TON80 COMMUNICATIONS, LLC |
656 |
|
|
|
| 970-543
| 0 |
Mesa |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2023-08-17 |
|
| 970-543
| 3 |
Mesa |
CO |
DNVRCO26XUX |
516J TON80 COMMUNICATIONS, LLC |
656 |
|
2022-05-04 |
|
| 970-543
| 8 |
Mesa |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2023-03-05 |
|
| 970-544
| A |
Aspen |
CO |
ASPECOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-545
| A |
Windsor |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 970-545
| 0 |
Windsor |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 970-545
| 1 |
Windsor |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 970-545
| 2 |
Windsor |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 970-545
| 3 |
Windsor |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2004-08-13 |
|
| 970-545
| 4 |
Windsor |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-545
| 5 |
Windsor |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-545
| 6 |
Windsor |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-14 |
|
| 970-545
| 7 |
Windsor |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-14 |
|
| 970-545
| 8 |
Windsor |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-14 |
|
| 970-545
| 9 |
Windsor |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
|
|
| 970-546
| A |
Delta |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
|
|
| 970-546
| 0 |
Delta |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2016-08-20 |
|
| 970-546
| 1 |
Delta |
CO |
GDJTCOMAPMD |
5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO |
656 |
|
2016-10-14 |
|
| 970-546
| 2 |
Delta |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2020-01-15 |
|
| 970-546
| 3 |
Delta |
CO |
DNVRCO26XUX |
516J TON80 COMMUNICATIONS, LLC |
656 |
|
2021-09-08 |
|
| 970-546
| 4 |
Delta |
CO |
DELTCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
2018-06-28 |
|
| 970-546
| 6 |
Delta |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2019-02-18 |
|
| 970-546
| 7 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-546
| 8 |
Delta |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-546
| 9 |
Delta |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2017-06-09 |
|
| 970-547
| A |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 0 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 1 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 2 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 3 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 4 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 5 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 6 |
Breckenridge |
CO |
DNVRCOMAGT7 |
588A ZIPPYTECH INCORPORATED |
656 |
|
2014-03-27 |
|
| 970-547
| 7 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 8 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-547
| 9 |
Breckenridge |
CO |
BRRGCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-548
| A |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-548
| 0 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-548
| 1 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-548
| 2 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-548
| 3 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-548
| 4 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-548
| 5 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-548
| 6 |
Rangely |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-11-05 |
|
| 970-548
| 7 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-08-27 |
|
| 970-548
| 8 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2011-01-19 |
|
| 970-548
| 9 |
Rangely |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-549
| A |
Grand Junction |
CO |
GDJTCOFD5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
656 |
|
|
|
| 970-549
| 0 |
Grand Junction |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-04-20 |
|
| 970-549
| 1 |
Grand Junction |
CO |
GDJTCOFD5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
656 |
|
2012-04-13 |
|
| 970-549
| 2 |
Grand Junction |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-06-21 |
|
| 970-549
| 3 |
Grand Junction |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2012-07-05 |
|
| 970-549
| 4 |
Grand Junction |
CO |
GDJTCOFD5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
656 |
|
2012-09-13 |
|
| 970-549
| 5 |
Grand Junction |
CO |
GDJTCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
2012-05-11 |
|
| 970-549
| 6 |
Grand Junction |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2012-09-27 |
|
| 970-549
| 7 |
Grand Junction |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2013-08-08 |
|
| 970-549
| 8 |
Grand Junction |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-12 |
|
| 970-549
| 9 |
Grand Junction |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-12 |
|
| 970-550
| A |
Maybell |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-550
| 0 |
Maybell |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-550
| 1 |
Maybell |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
<< 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 >>
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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