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Region Code:CO

This is the United States Region Code:CO Area Code Database page list. You can click the title to browse the detail information.
Region Code: CO
City National Destination Code Sn from Sn to Carrier Name Number Type
Allenspark-Lyons 303 8237000 8237999 QWEST CORPORATION G
Allenspark-Lyons 303 8238000 8238999 QWEST CORPORATION G
Allenspark-Lyons 303 8239000 8239999 QWEST CORPORATION G
Allenspark-Lyons 720 3070000 3070999 ONVOY LLC - CO G
Allenspark-Lyons 720 3071000 3071999 ONVOY LLC - CO G
Allenspark-Lyons 720 3072000 3072999 ONVOY LLC - CO G
Allenspark-Lyons 720 3073000 3073999 BROADVOX-CLEC - CO G
Allenspark-Lyons 720 3074000 3074999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3075000 3075999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3076000 3076999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3077000 3077999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3078000 3078999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3079000 3079999 AT&T LOC - NY G
Allenspark-Lyons 720 3100000 3100999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3101000 3101999 PAC-WEST TELECOMM-CO G
Allenspark-Lyons 720 3102000 3102999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 3103000 3103999 TELEPORT COMM AM-CO G
Allenspark-Lyons 720 3104000 3104999 TELEPORT COMM AM-CO G
Allenspark-Lyons 720 3105000 3105999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3106000 3106999 TELEPORT COMM AM-CO G
Allenspark-Lyons 720 3107000 3107999 ONVOY LLC - CO G
Allenspark-Lyons 720 3108000 3108999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 3109000 3109999 GLOBAL CROSSING-CO G
Allenspark-Lyons 720 4140000 4140999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 4141000 4141999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 4142000 4142999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 4143000 4143999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 4144000 4144999 ESCHELON TELECOM -CO G
Allenspark-Lyons 720 4145000 4145999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 4146000 4146999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 4147000 4147999 CENTURYLINK COMM G
Allenspark-Lyons 720 4148000 4148999 PEERLESS NTWK - CO G
Allenspark-Lyons 720 4149000 4149999 PEERLESS NTWK - CO G
Allenspark-Lyons 720 5713000 5713999 MCIMETRO ATS LLC G
Allenspark-Lyons 720 5717000 5717999 NEUTRAL TANDEM - CO G
Allenspark-Lyons 720 5718000 5718999 NEUTRAL TANDEM - CO G
Allenspark-Lyons 720 8930000 8930999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 8931000 8931999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 8932000 8932999 BANDWIDTH.COM - CO G
Allenspark-Lyons 720 8933000 8933999 BROADVOX-CLEC - CO G
Allenspark-Lyons 720 8934000 8934999 BROADVOX-CLEC - CO G
Allenspark-Lyons 720 8935000 8935999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 8936000 8936999 LEVEL 3 COMM - CO G
Allenspark-Lyons 720 8937000 8937999 PEERLESS NTWK - CO G
Allenspark-Lyons 720 8938000 8938999 BROADVOX-CLEC - CO G
Allenspark-Lyons 720 8939000 8939999 BROADVOX-CLEC - CO G
Allison 970 7881000 7881999 ONVOY LLC - CO G
Allison 970 7882000 7882999 ONVOY LLC - CO G
Allison 970 7883000 7883999 ONVOY LLC - CO G
Allison 970 7885000 7885999 CENTURYLINK COMM G
Allison 970 7886000 7886999 ONVOY LLC - CO G
Allison 970 7887000 7887999 ONVOY LLC - CO G
Allison 970 7888000 7888999 ONVOY LLC - CO X
Allison 970 8830000 8839999 CENTURYLINK G
Anton 970 3830000 3839999 PLAINS COOP TEL ASSN G
Antonito 719 3760000 3769999 CENTURYLINK G
Antonito 719 9820000 9820999 ONVOY LLC - CO G
Antonito 719 9821000 9821999 ONVOY LLC - CO G
Antonito 719 9822000 9822999 ONVOY LLC - CO G
Antonito 719 9826000 9826999 CENTURYLINK COMM G
Antonito 719 9827000 9827999 ONVOY LLC - CO G
Antonito 719 9828000 9828999 ONVOY LLC - CO G
Antonito 719 9829000 9829999 BIG RIVER TEL - CO G
Arriba 719 7680000 7689999 EASTERN SLOPE RURAL G
Aspen 970 2050000 2050999 QWEST CORPORATION G
Aspen 970 2051000 2051999 QWEST CORPORATION G
Aspen 970 2052000 2052999 QWEST CORPORATION G
Aspen 970 2053000 2053999 QWEST CORPORATION G
Aspen 970 2054000 2054999 QWEST CORPORATION G
Aspen 970 2055000 2055999 QWEST CORPORATION G
Aspen 970 2056000 2056999 QWEST CORPORATION G
Aspen 970 2057000 2057999 QWEST CORPORATION G
Aspen 970 2058000 2058999 QWEST CORPORATION G
Aspen 970 2059000 2059999 BANDWIDTH.COM - CO G
Aspen 970 2360000 2360999 ZIPPYTECH INC G
Aspen 970 2361000 2361999 BANDWIDTH.COM - CO G
Aspen 970 2362000 2362999 ONVOY LLC - CO G
Aspen 970 2363000 2363999 ONVOY LLC - CO G
Aspen 970 2364000 2364999 ONVOY LLC - CO G
Aspen 970 2365000 2365999 ZIPPYTECH INC G
Aspen 970 2366000 2366999 BANDWIDTH.COM - CO G
Aspen 970 2367000 2367999 ONVOY LLC - CO G
Aspen 970 2368000 2368999 BANDWIDTH.COM - CO G
Aspen 970 2369000 2369999 PEERLESS NTWK - CO G
Aspen 970 2770000 2779999 SAN ISABEL TELECOM G
Aspen 970 3000000 3000999 LEVEL 3 COMM - CO G
Aspen 970 3001000 3001999 LEVEL 3 COMM - CO G
Aspen 970 3002000 3002999 LEVEL 3 COMM - CO G
Aspen 970 3003000 3003999 MCIMETRO ATS LLC G
Aspen 970 3004000 3004999 LEVEL 3 COMM - CO G
Aspen 970 3005000 3005999 LEVEL 3 COMM - CO G
Aspen 970 3006000 3006999 NEUTRAL TANDEM - CO G
Aspen 970 3007000 3007999 QWEST CORPORATION G
Aspen 970 3008000 3008999 NEW CINGULAR WIRLESS M
Aspen 970 3009000 3009999 BROADVOX-CLEC - CO G
Aspen 970 3150000 3150999 LEVEL 3 COMM - CO G
Aspen 970 3151000 3151999 NEUTRAL TANDEM - CO G
Aspen 970 3152000 3152999 BANDWIDTH.COM - CO G
Aspen 970 3153000 3153999 LEVEL 3 COMM - CO G
Aspen 970 3154000 3154999 LEVEL 3 COMM - CO G