Local Calling Guide

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

NXX: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-255 A Manchester NH MNCHNHCOY0X  425J CSC WIRELESS, LLC 122      
603-255 0 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122      
603-255 1 Manchester NH DOVRNHTHGMD  624H ONVOY SPECTRUM, LLC 122      
603-255 2 Manchester NH MNCHNHCOY0X  425J CSC WIRELESS, LLC 122      
603-255 3 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-255 4 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-255 5 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-255 6 Manchester NH DOVRNHTHXEX  8299 TELEPORT COMMUNICATIONS AMERICA, LLC - NH 122      
603-255 7 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-255 8 Manchester NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-255 9 Manchester NH DOVRNHTHXJX  478J NUSO, LLC 122      

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

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