Local Calling Guide

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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-457 A Dover NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122      
603-457 0 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-457 1 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-457 2 Dover NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122      
603-457 3 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-457 4 Dover NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-457 5 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-457 6 Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-457 7 Dover NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-457 8 Dover NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122      
603-457 9 Dover NH MNCHNHBODS0  927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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