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National Destination Code:303

This is the United States National Destination Code:303 Area Code Database page list. You can click the title to browse the detail information.
Region Code: CO
Region Name City Sn from Sn to Carrier Name Number Type
Colorado Allenspark-Lyons 7470000 7470999 QWEST CORPORATION G
Colorado Allenspark-Lyons 7471000 7471999 QWEST CORPORATION G
Colorado Allenspark-Lyons 7472000 7472999 QWEST CORPORATION G
Colorado Allenspark-Lyons 7473000 7473999 LEVEL 3 COMM - CO G
Colorado Allenspark-Lyons 7474000 7474999 LEVEL 3 COMM - CO G
Colorado Allenspark-Lyons 7475000 7475999 PAC-WEST TELECOMM-CO G
Colorado Allenspark-Lyons 7476000 7476999 LEVEL 3 COMM - CO G
Colorado Allenspark-Lyons 7477000 7477999 YMAX COMMS CORP. CO G
Colorado Allenspark-Lyons 7478000 7478999 QWEST CORPORATION G
Colorado Allenspark-Lyons 7479000 7479999 QWEST CORPORATION G
Colorado Allenspark-Lyons 8230000 8230999 QWEST CORPORATION G
Colorado Allenspark-Lyons 8231000 8231999 YMAX COMMS CORP. CO G
Colorado Allenspark-Lyons 8232000 8232999 QWEST CORPORATION G
Colorado Allenspark-Lyons 8233000 8233999 YMAX COMMS CORP. CO G
Colorado Allenspark-Lyons 8234000 8234999 MCIMETRO ATS LLC G
Colorado Allenspark-Lyons 8235000 8235999 QWEST CORPORATION G
Colorado Allenspark-Lyons 8236000 8236999 QWEST CORPORATION G
Colorado Allenspark-Lyons 8237000 8237999 QWEST CORPORATION G
Colorado Allenspark-Lyons 8238000 8238999 QWEST CORPORATION G
Colorado Allenspark-Lyons 8239000 8239999 QWEST CORPORATION G
Colorado Bennett 6440000 6449999 EASTERN SLOPE RURAL G
Colorado Brighton 2190000 2190999 BANDWIDTH.COM - CO G
Colorado Brighton 2191000 2191999 PAC-WEST TELECOMM-CO G
Colorado Brighton 2192000 2192999 NEUTRAL TANDEM - CO G
Colorado Brighton 2193000 2193999 YMAX COMMS CORP. CO G
Colorado Brighton 2194000 2194999 YMAX COMMS CORP. CO G
Colorado Brighton 2195000 2195999 ESCHELON TELECOM -CO G
Colorado Brighton 2196000 2196999 YMAX COMMS CORP. CO G
Colorado Brighton 2197000 2197999 ONVOY LLC - CO G
Colorado Brighton 2198000 2198999 NEUTRAL TANDEM - CO G
Colorado Brighton 2199000 2199999 MCIMETRO ATS LLC G
Colorado Brighton 4790000 4790999 TELEPORT COMM AM-CO G
Colorado Brighton 4791000 4791999 TELEPORT COMM AM-CO G
Colorado Brighton 4792000 4792999 TELEPORT COMM AM-CO G
Colorado Brighton 4793000 4793999 NEUTRAL TANDEM - CO G
Colorado Brighton 4794000 4794999 LEVEL 3 COMM - CO G
Colorado Brighton 4795000 4795999 TELEPORT COMM AM-CO G
Colorado Brighton 4796000 4796999 TELEPORT COMM AM-CO G
Colorado Brighton 4797000 4797999 TELEPORT COMM AM-CO G
Colorado Brighton 4798000 4798999 TELEPORT COMM AM-CO G
Colorado Brighton 4799000 4799999 TELEPORT COMM AM-CO G
Colorado Brighton 4980000 4980999 COMCAST PHONE - CO G
Colorado Brighton 4981000 4981999 QWEST CORPORATION G
Colorado Brighton 4982000 4982999 QWEST CORPORATION G
Colorado Brighton 4983000 4983999 QWEST CORPORATION G
Colorado Brighton 4984000 4984999 QWEST CORPORATION G
Colorado Brighton 4985000 4985999 AT&T LOC - NY G
Colorado Brighton 4986000 4986999 QWEST CORPORATION G
Colorado Brighton 4987000 4987999 NEUTRAL TANDEM - CO G
Colorado Brighton 4988000 4988999 NEWCLOUD NTWKS - CO G
Colorado Brighton 4989000 4989999 YMAX COMMS CORP. CO G
Colorado Brighton 5580000 5580999 COMCAST PHONE - CO G
Colorado Brighton 5581000 5581999 MCLEODUSA TEL - CO G
Colorado Brighton 5582000 5582999 GLOBAL CROSSING-CO G
Colorado Brighton 5583000 5583999 GLOBAL CROSSING-CO G
Colorado Brighton 5584000 5584999 GLOBAL CROSSING-CO G
Colorado Brighton 5585000 5585999 GLOBAL CROSSING-CO G
Colorado Brighton 5586000 5586999 GLOBAL CROSSING-CO G
Colorado Brighton 5587000 5587999 GLOBAL CROSSING-CO G
Colorado Brighton 5588000 5588999 CBEYOND COMMS - CO G
Colorado Brighton 5589000 5589999 GLOBAL CROSSING-CO G
Colorado Brighton 6370000 6379999 QWEST CORPORATION G
Colorado Brighton 6540000 6549999 QWEST CORPORATION G
Colorado Brighton 6550000 6559999 QWEST CORPORATION G
Colorado Brighton 6590000 6599999 QWEST CORPORATION G
Colorado Brighton 8350000 8350999 LEVEL 3 COMM - CO G
Colorado Brighton 8351000 8351999 LEVEL 3 COMM - CO G
Colorado Brighton 8352000 8352999 COMCAST PHONE - CO G
Colorado Brighton 8353000 8353999 LEVEL 3 COMM - CO G
Colorado Brighton 8354000 8354999 LEVEL 3 COMM - CO G
Colorado Brighton 8355000 8355999 QWEST CORPORATION G
Colorado Brighton 8356000 8356999 LEVEL 3 COMM - CO G
Colorado Brighton 8357000 8357999 LEVEL 3 COMM - CO G
Colorado Brighton 8358000 8358999 YMAX COMMS CORP. CO G
Colorado Brighton 8359000 8359999 LEVEL 3 COMM - CO G
Colorado Byers 8220000 8229999 BIJOU TEL COOP ASSN G
Colorado Deckers 3510000 3510999 PAC-WEST TELECOMM-CO G
Colorado Deckers 3511000 3511999 BANDWIDTH.COM - CO G
Colorado Deckers 3512000 3512999 BANDWIDTH.COM - CO G
Colorado Deckers 3513000 3513999 YMAX COMMS CORP. CO G
Colorado Deckers 3514000 3514999 YMAX COMMS CORP. CO G
Colorado Deckers 3515000 3515999 LEVEL 3 COMM - CO G
Colorado Deckers 3516000 3516999 YMAX COMMS CORP. CO G
Colorado Deckers 3517000 3517999 ONVOY LLC - CO G
Colorado Deckers 3518000 3518999 YMAX COMMS CORP. CO G
Colorado Deckers 3519000 3519999 YMAX COMMS CORP. CO G
Colorado Deckers 6470000 6470999 QWEST CORPORATION G
Colorado Deckers 6471000 6471999 LEVEL 3 COMM - CO G
Colorado Deckers 6472000 6472999 QWEST CORPORATION G
Colorado Deckers 6473000 6473999 PAC-WEST TELECOMM-CO G
Colorado Deckers 6474000 6474999 LEVEL 3 COMM - CO G
Colorado Deckers 6475000 6475999 LEVEL 3 COMM - CO G
Colorado Deckers 6476000 6476999 PAC-WEST TELECOMM-CO G
Colorado Deckers 6477000 6477999 ICG TELECOM GROUP CO G
Colorado Deckers 6478000 6478999 YMAX COMMS CORP. CO G
Colorado Deckers 6479000 6479999 LEVEL 3 COMM - CO G
Colorado Deckers 8160000 8160999 QWEST CORPORATION G
Colorado Deckers 8161000 8161999 QWEST CORPORATION G
Colorado Deckers 8162000 8162999 QWEST CORPORATION G
Colorado Deckers 8163000 8163999 LEVEL 3 COMM - CO G