Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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
719-426 2 Colorado Springs-Main CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2012-02-02   
719-426 3 Colorado Springs-Main CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658   2017-09-08   
719-426 4 Colorado Springs-Main CO CLSPCOMAX7Z  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 658   2012-02-13   
719-426 5 Colorado Springs-Main CO CLSPCOMAX7Z  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 658   2012-03-01   
719-426 6 Colorado Springs-Main CO CLSPCOMAX7Z  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 658   2012-02-13   
719-426 7 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2012-08-23   
719-426 8 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2012-09-23   
719-426 9 Colorado Springs-Main CO CLSPCOMAX4Z  318J COMCAST IP PHONE, LLC 658   2013-08-01   
719-427 A Leadville CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-427 0 Leadville CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2011-01-27   
719-427 1 Leadville CO CLSPCOMAX9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 658   2015-03-13   
719-427 2 Leadville CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658   2011-01-28   
719-427 3 Leadville CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2012-12-16   
719-427 4 Leadville CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2012-12-16   
719-427 5 Leadville CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2012-12-16   
719-427 6 Leadville CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2013-04-15   
719-427 7 Leadville CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2013-10-14   
719-427 8 Leadville CO CLSPCOMAXFY  508J CENTURYLINK COMMUNICATIONS, LLC 658   2014-05-22   
719-427 9 Leadville CO CLSPCOGK1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 658   2014-05-24   
719-428 A Colorado Springs-Main CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658      
719-428 0 Colorado Springs-Main CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2011-01-17   
719-428 1 Colorado Springs-Main CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2011-01-17   
719-428 2 Colorado Springs-Main CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658   2011-01-14   
719-428 3 Colorado Springs-Main CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658   2011-01-14   
719-428 4 Colorado Springs-Main CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658   2011-01-14   
719-428 5 Colorado Springs-Main CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2011-01-17   
719-428 6 Colorado Springs-Main CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2011-01-17   
719-428 7 Colorado Springs-Main CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2011-01-17   
719-428 8 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2011-02-07   
719-428 9 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2011-02-25   
719-429 A Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-430 A Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-430 0 Canon City CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2024-08-19   
719-430 1 Canon City CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2021-06-11   
719-430 2 Canon City CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2021-06-11   
719-430 3 Canon City CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2017-05-28   
719-430 4 Canon City CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2017-05-28   
719-430 5 Canon City CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2017-12-30   
719-430 6 Canon City CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2017-12-30   
719-430 7 Canon City CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2020-12-18   
719-430 8 Canon City CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2021-06-11   
719-430 9 Canon City CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2021-07-30   
719-431 A Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-431 0 Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-431 1 Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-431 2 Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-431 3 Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-431 4 Canon City CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2020-03-08   
719-431 5 Canon City CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2024-12-14   
719-431 6 Canon City CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2006-11-04   
719-431 7 Canon City CO CLSPCOMAXRY  624H ONVOY SPECTRUM, LLC 658   2021-07-19   
719-431 8 Canon City CO CLSPCO11X8X  073H TELNYX LLC 658   2019-12-12   
719-431 9 Canon City CO CLSPCOGK1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 658   2010-11-04   
719-432 A Colorado Springs-Main CO CLSPCOPVDS0  9636 QWEST CORPORATION 658      
719-432 0 Colorado Springs-Main CO CLSPCOPVDS0  9636 QWEST CORPORATION 658   2003-11-03   
719-432 1 Colorado Springs-Main CO CLSPCOPVDS0  9636 QWEST CORPORATION 658   2003-11-03   
719-432 2 Colorado Springs-Main CO CLSPCOPVDS0  9636 QWEST CORPORATION 658   2003-11-03   
719-432 3 Colorado Springs-Main CO CLSPCOPVDS0  9636 QWEST CORPORATION 658   2003-11-03   
719-432 4 Colorado Springs-Main CO CLSPCOPVDS0  9636 QWEST CORPORATION 658   2003-11-03   
719-432 5 Colorado Springs-Main CO CLSPCOGK1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 658   2006-05-21   
719-432 6 Colorado Springs-Main CO CLSPCOMAXNX  6529 T-MOBILE USA, INC. 658   2004-11-13   
719-432 7 Colorado Springs-Main CO CLSPCOMAXNX  6529 T-MOBILE USA, INC. 658   2004-11-01   
719-432 8 Colorado Springs-Main CO CLSPCOMAXNX  6529 T-MOBILE USA, INC. 658   2004-11-01   
719-432 9 Colorado Springs-Main CO CLSPCOMAXNX  6529 T-MOBILE USA, INC. 658   2004-11-01   
719-433 A Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658      
719-433 0 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2006-10-07   
719-433 1 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2006-10-26   
719-433 2 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2006-11-09   
719-433 3 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2006-11-09   
719-433 4 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2006-11-09   
719-433 5 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2006-12-11   
719-433 6 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2006-12-20   
719-433 7 Colorado Springs-Main CO CLSPCO11DS5  7590 LEVEL 3 TELECOM OF COLORADO, LLC - CO 658   2006-12-14   
719-433 8 Colorado Springs-Main CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2007-01-12   
719-433 9 Colorado Springs-Main CO CLSPCOMAXNX  6529 T-MOBILE USA, INC. 658   2006-12-07   
719-434 A Colorado Springs-Main CO CLSPCOMAX2Y  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 658      
719-434 0 Colorado Springs-Main CO CLSPCOMAXNX  6529 T-MOBILE USA, INC. 658   2007-11-03   
719-434 1 Colorado Springs-Main CO CLSPCOMAX4Z  318J COMCAST IP PHONE, LLC 658   2007-12-01   
719-434 2 Colorado Springs-Main CO CLSPCOMAX4Z  318J COMCAST IP PHONE, LLC 658   2007-12-01   
719-434 3 Colorado Springs-Main CO CLSPCOMAX2Y  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 658   2007-04-14   
719-434 4 Colorado Springs-Main CO CLSPCOMAX2Y  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 658   2007-04-14   
719-434 5 Colorado Springs-Main CO CLSPCOMAX2Y  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 658   2007-04-14   
719-434 6 Colorado Springs-Main CO CLSPCOMAX7Z  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 658   2007-08-20   
719-434 7 Colorado Springs-Main CO CLSPCOMAX4Z  318J COMCAST IP PHONE, LLC 658   2007-12-01   
719-434 8 Colorado Springs-Main CO CLSPCOMAX4Z  318J COMCAST IP PHONE, LLC 658   2007-12-01   
719-434 9 Colorado Springs-Main CO CLSPCOMAX7Z  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 658   2007-11-26   
719-435 A Buena Vista CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658      
719-435 0 Buena Vista CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2019-06-03   
719-435 1 Buena Vista CO CLSPCO11DS6  278F PEERLESS NETWORK OF COLORADO, LLC - CO 658   2020-01-15   
719-435 2 Buena Vista CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2021-03-07   
719-435 3 Buena Vista CO CLSPCOMAXRY  624H ONVOY SPECTRUM, LLC 658   2025-01-03   
719-435 4 Buena Vista CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2020-10-26   
719-435 5 Buena Vista CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2020-12-18   
719-435 6 Buena Vista CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2020-12-18   
719-435 7 Buena Vista CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658   2021-03-07   
719-435 8 Buena Vista CO CLSPCOMAXUY  073H TELNYX LLC 658   2021-01-08   
719-435 9 Buena Vista CO CLSPCOMAXYX  078F BANDWIDTH.COM CLEC, LLC - CO 658   2020-06-05   
719-436 A Haswell CO HUGOCOXCDS0  2186 EASTERN SLOPE RURAL TEL. ASSN., INC. 658      
719-437 A Peyton CO CLSPCOMAXWX  026D ONVOY, LLC - CO 658      
719-437 0 Peyton CO CLSPCOMAXZY  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 658   2019-12-05   

<< 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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.