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 |
| 970-574
| A |
Rangely |
CO |
STSPCO052MD |
013B UNION TELEPHONE COMPANY |
656 |
|
|
|
| 970-575
| A |
Fraser |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-575
| 0 |
Fraser |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2017-08-30 |
|
| 970-575
| 1 |
Fraser |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-575
| 2 |
Fraser |
CO |
DNVRCOII3MD |
5562 METROPCS, INC. |
656 |
|
2021-05-09 |
|
| 970-575
| 3 |
Fraser |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2021-05-31 |
|
| 970-575
| 4 |
Fraser |
CO |
DNVRCOII3MD |
6529 T-MOBILE USA, INC. |
656 |
|
2021-03-04 |
|
| 970-575
| 5 |
Fraser |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2009-12-17 |
|
| 970-575
| 6 |
Fraser |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2020-10-25 |
|
| 970-575
| 7 |
Fraser |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2018-12-25 |
|
| 970-575
| 8 |
Fraser |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2018-06-18 |
|
| 970-575
| 9 |
Fraser |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-08-30 |
|
| 970-576
| A |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-576
| 0 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-576
| 1 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-576
| 2 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-576
| 3 |
Greeley |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2007-06-03 |
|
| 970-576
| 4 |
Greeley |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2009-08-07 |
|
| 970-576
| 5 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-576
| 6 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-576
| 7 |
Greeley |
CO |
|
145J TERRA NOVA TELECOM INC. |
656 |
|
2023-06-23 |
|
| 970-576
| 8 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-576
| 9 |
Greeley |
CO |
DNVRCOII0MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 970-577
| A |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 0 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 1 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 2 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 3 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 4 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 5 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 6 |
Estes Park |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2004-11-11 |
|
| 970-577
| 7 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 8 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-577
| 9 |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-578
| A |
Johnstown-Milliken |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
|
|
| 970-578
| 0 |
Johnstown-Milliken |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-01-10 |
|
| 970-578
| 1 |
Johnstown-Milliken |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-04-13 |
|
| 970-578
| 2 |
Johnstown-Milliken |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2012-07-27 |
|
| 970-578
| 3 |
Johnstown-Milliken |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-578
| 4 |
Johnstown-Milliken |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-578
| 5 |
Johnstown-Milliken |
CO |
DNVTCOUZ0MD |
829J PAETEC ITEL, LLC |
656 |
|
2010-05-27 |
|
| 970-578
| 6 |
Johnstown-Milliken |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-578
| 7 |
Johnstown-Milliken |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-578
| 8 |
Johnstown-Milliken |
CO |
|
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-01-03 |
|
| 970-578
| 9 |
Johnstown-Milliken |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-08-18 |
|
| 970-579
| A |
De Beque |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-579
| 0 |
De Beque |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 970-579
| 1 |
De Beque |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2015-05-23 |
|
| 970-579
| 2 |
De Beque |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-05-23 |
|
| 970-579
| 3 |
De Beque |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-04-04 |
|
| 970-579
| 4 |
De Beque |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2015-08-05 |
|
| 970-579
| 5 |
De Beque |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2016-07-22 |
|
| 970-579
| 6 |
De Beque |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2018-05-02 |
|
| 970-579
| 7 |
De Beque |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-06-11 |
|
| 970-579
| 8 |
De Beque |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-579
| 9 |
De Beque |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-580
| A |
Sterling |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
|
|
| 970-581
| A |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-582
| A |
Pagosa Springs |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-582
| 0 |
Pagosa Springs |
CO |
DNVRCOII4MD |
5562 METROPCS, INC. |
656 |
|
|
|
| 970-582
| 1 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-07-24 |
|
| 970-582
| 2 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2022-07-21 |
|
| 970-582
| 3 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2022-10-17 |
|
| 970-582
| 4 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-10-14 |
|
| 970-582
| 5 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2023-10-14 |
|
| 970-582
| 7 |
Pagosa Springs |
CO |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-08-11 |
|
| 970-582
| 8 |
Pagosa Springs |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2023-03-05 |
|
| 970-583
| A |
South Baggs |
CO |
BGGSWYXCRS0 |
2291 DUBOIS TEL. EXCH., INC. |
654 |
|
|
|
| 970-584
| A |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-584
| 0 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-12-09 |
|
| 970-584
| 1 |
Greeley |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-04-06 |
|
| 970-584
| 2 |
Greeley |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-04-06 |
|
| 970-584
| 3 |
Greeley |
CO |
|
145J TERRA NOVA TELECOM INC. |
656 |
|
2025-02-14 |
|
| 970-584
| 4 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2007-10-15 |
|
| 970-584
| 5 |
Greeley |
CO |
DNVRCOETPS0 |
3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM |
656 |
|
2010-05-18 |
|
| 970-584
| 6 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-03-12 |
|
| 970-584
| 7 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2014-03-12 |
|
| 970-584
| 8 |
Greeley |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2008-05-18 |
|
| 970-584
| 9 |
Greeley |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2008-05-22 |
|
| 970-585
| A |
Pagosa Springs |
CO |
DURNCOBSDS0 |
330B FASTTRACK COMMUNICATIONS, INC. - CO |
656 |
|
|
|
| 970-585
| 0 |
Pagosa Springs |
CO |
DURNCOBSDS0 |
330B FASTTRACK COMMUNICATIONS, INC. - CO |
656 |
|
|
|
| 970-585
| 1 |
Pagosa Springs |
CO |
DURNCOBSDS0 |
330B FASTTRACK COMMUNICATIONS, INC. - CO |
656 |
|
|
|
| 970-585
| 2 |
Pagosa Springs |
CO |
DURNCOBSDS0 |
330B FASTTRACK COMMUNICATIONS, INC. - CO |
656 |
|
|
|
| 970-585
| 3 |
Pagosa Springs |
CO |
DURNCOBSDS0 |
330B FASTTRACK COMMUNICATIONS, INC. - CO |
656 |
|
|
|
| 970-585
| 4 |
Pagosa Springs |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2015-08-02 |
|
| 970-585
| 5 |
Pagosa Springs |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2019-05-01 |
|
| 970-585
| 6 |
Pagosa Springs |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2020-09-12 |
|
| 970-585
| 7 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-585
| 8 |
Pagosa Springs |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-585
| 9 |
Pagosa Springs |
CO |
GDJTCOMAKMD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2017-07-06 |
|
| 970-586
| A |
Estes Park |
CO |
ESPKCOMADS1 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| A |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| 0 |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| 1 |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| 2 |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| 3 |
Johnstown-Milliken |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 970-587
| 4 |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| 5 |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| 6 |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-587
| 7 |
Johnstown-Milliken |
CO |
JHMLCOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
<< 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
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.