Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-825 A Manchester NH MNCHNHACCMD  516J TON80 COMMUNICATIONS, LLC 122      
603-825 0 Manchester NH   624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 1 Manchester NH   624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 2 Manchester NH   624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 3 Manchester NH   516J TON80 COMMUNICATIONS, LLC 122   2022-03-14   
603-825 4 Manchester NH   637E ONVOY, LLC - NH 122   2022-09-29   
603-825 5 Manchester NH   637E ONVOY, LLC - NH 122   2022-05-27   
603-825 6 Manchester NH   637E ONVOY, LLC - NH 122   2022-09-29   
603-825 7 Manchester NH   637E ONVOY, LLC - NH 122   2022-09-29   
603-825 8 Manchester NH   624H ONVOY SPECTRUM, LLC 122   2022-09-16   
603-825 9 Manchester NH   624H ONVOY SPECTRUM, LLC 122   2022-09-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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