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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 970-429
| 8 |
Aspen |
CO |
DNVRCOMA39Z |
318J COMCAST IP PHONE, LLC |
656 |
|
2009-04-29 |
|
| 970-429
| 9 |
Aspen |
CO |
ASPECOMADS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-430
| A |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-430
| 0 |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-430
| 1 |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-430
| 2 |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-430
| 3 |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-430
| 4 |
Fort Collins |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2006-11-30 |
|
| 970-430
| 5 |
Fort Collins |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 970-430
| 6 |
Fort Collins |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2008-11-20 |
|
| 970-430
| 7 |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 970-430
| 8 |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2009-05-18 |
|
| 970-430
| 9 |
Fort Collins |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-431
| A |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-431
| 0 |
Gypsum |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2018-04-16 |
|
| 970-431
| 1 |
Gypsum |
CO |
DNVRCO03DS1 |
5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO |
656 |
|
2017-04-09 |
|
| 970-431
| 2 |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-431
| 3 |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-431
| 4 |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-431
| 5 |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-431
| 6 |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-431
| 7 |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-09-04 |
|
| 970-431
| 8 |
Gypsum |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2011-04-03 |
|
| 970-431
| 9 |
Gypsum |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-11-05 |
|
| 970-432
| A |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-432
| 0 |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-432
| 1 |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-432
| 2 |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-432
| 3 |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-432
| 4 |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-432
| 5 |
Eagle |
CO |
DNVRCO03DS1 |
5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO |
656 |
|
2017-04-09 |
|
| 970-432
| 6 |
Eagle |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-11-05 |
|
| 970-432
| 7 |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-09-01 |
|
| 970-432
| 8 |
Eagle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2010-04-03 |
|
| 970-432
| 9 |
Eagle |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2018-09-07 |
|
| 970-433
| A |
Grand Junction |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-433
| 0 |
Grand Junction |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-433
| 1 |
Grand Junction |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2006-06-17 |
|
| 970-433
| 2 |
Grand Junction |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-433
| 3 |
Grand Junction |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2007-11-09 |
|
| 970-433
| 4 |
Grand Junction |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2008-11-21 |
|
| 970-433
| 5 |
Grand Junction |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2006-07-13 |
|
| 970-433
| 6 |
Grand Junction |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
2006-07-13 |
|
| 970-433
| 7 |
Grand Junction |
CO |
GDJTCOFD5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
656 |
|
2006-09-29 |
|
| 970-433
| 8 |
Grand Junction |
CO |
AURRCO20AMD |
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2006-12-04 |
|
| 970-433
| 9 |
Grand Junction |
CO |
DNVRCOII0MD |
6529 T-MOBILE USA, INC. |
656 |
|
|
|
| 970-434
| A |
Grand Junction |
CO |
CFTNCONMDS0 |
9636 QWEST CORPORATION |
656 |
|
|
|
| 970-435
| A |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 0 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 1 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 2 |
South Laramie |
CO |
CHYNWYMAEMD |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
654 |
|
|
|
| 970-435
| 3 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 4 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 5 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 6 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 7 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 8 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-435
| 9 |
South Laramie |
CO |
LARMWYNMDS0 |
9636 QWEST CORPORATION |
654 |
|
|
|
| 970-436
| A |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-436
| 0 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-436
| 1 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-436
| 2 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-436
| 3 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2020-10-30 |
|
| 970-436
| 4 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2020-08-08 |
|
| 970-436
| 5 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-436
| 6 |
Lake City |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-11-06 |
|
| 970-436
| 7 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2007-09-01 |
|
| 970-436
| 8 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2011-02-11 |
|
| 970-436
| 9 |
Lake City |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-437
| A |
New Raymer |
CO |
WGNSCOXCDS1 |
2209 WIGGINS TEL. ASSN. |
656 |
|
|
|
| 970-438
| A |
Palisade |
CO |
GDJTCOFD5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
656 |
|
|
|
| 970-438
| 0 |
Palisade |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-04-12 |
|
| 970-438
| 1 |
Palisade |
CO |
DNVRCO26XIX |
073H TELNYX LLC |
656 |
|
2018-05-02 |
|
| 970-438
| 2 |
Palisade |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2018-12-30 |
|
| 970-438
| 3 |
Palisade |
CO |
DNVTCO56DS8 |
6118 LEVEL 3 COMMUNICATIONS, LLC - CO |
656 |
|
2011-01-07 |
|
| 970-438
| 4 |
Palisade |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-07-05 |
|
| 970-438
| 5 |
Palisade |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-04-04 |
|
| 970-438
| 6 |
Palisade |
CO |
GDJTCOFD5MD |
792K CHARTER IP ENABLED SERVICES, LLC |
656 |
|
2007-11-04 |
|
| 970-438
| 7 |
Palisade |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2014-11-05 |
|
| 970-438
| 8 |
Palisade |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-438
| 9 |
Palisade |
CO |
DNVRCO26DS5 |
278F PEERLESS NETWORK OF COLORADO, LLC - CO |
656 |
|
2013-04-27 |
|
| 970-439
| A |
Steamboat Springs |
CO |
DNVRCOMA33Z |
7421 AT&T - LOCAL |
656 |
|
|
|
| 970-439
| 0 |
Steamboat Springs |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-02-20 |
|
| 970-439
| 1 |
Steamboat Springs |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2010-10-09 |
|
| 970-439
| 2 |
Steamboat Springs |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2011-06-19 |
|
| 970-439
| 3 |
Steamboat Springs |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2011-04-15 |
|
| 970-439
| 4 |
Steamboat Springs |
CO |
DNVRCOMAXGZ |
078F BANDWIDTH.COM CLEC, LLC - CO |
656 |
|
2012-10-06 |
|
| 970-439
| 5 |
Steamboat Springs |
CO |
|
6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
656 |
|
2025-09-15 |
|
| 970-439
| 6 |
Steamboat Springs |
CO |
DNVRCOSOFMD |
624H ONVOY SPECTRUM, LLC |
656 |
|
2025-01-03 |
|
| 970-439
| 7 |
Steamboat Springs |
CO |
FTCLCOMAAMD |
7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO |
656 |
|
2012-12-13 |
|
| 970-439
| 8 |
Steamboat Springs |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2014-11-05 |
|
| 970-439
| 9 |
Steamboat Springs |
CO |
DNVRCOMAX5Z |
7421 AT&T - LOCAL |
656 |
|
2006-01-12 |
|
| 970-440
| A |
Rifle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
|
|
| 970-440
| 0 |
Rifle |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2015-07-16 |
|
| 970-440
| 1 |
Rifle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2005-02-25 |
|
| 970-440
| 2 |
Rifle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-04-12 |
|
| 970-440
| 3 |
Rifle |
CO |
DNVRCO37DS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
656 |
|
2011-11-01 |
|
| 970-440
| 4 |
Rifle |
CO |
HLRNCOFP1MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
656 |
|
2008-12-15 |
|
| 970-440
| 5 |
Rifle |
CO |
DNVTCOZIDS1 |
026D ONVOY, LLC - CO |
656 |
|
2013-04-04 |
|
| 970-440
| 6 |
Rifle |
CO |
DNVRCOMD4MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
656 |
|
2010-04-02 |
|
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Last updated: Sat, 21 Mar 2026 23:53:39 UTC
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