Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MNCHNHCOX9Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
603-945 4 Manchester NH 637E ONVOY, LLC - NH 122   2018-05-13   
603-945 5 Manchester NH 637E ONVOY, LLC - NH 122   2018-05-13   
603-945 6 Manchester NH 637E ONVOY, LLC - NH 122   2019-06-06   
603-945 7 Manchester NH 637E ONVOY, LLC - NH 122   2018-09-11   
603-945 8 Manchester NH 637E ONVOY, LLC - NH 122   2018-09-11   
603-945 9 Manchester NH 637E ONVOY, LLC - NH 122   2018-12-07   
603-948 4 Rochester NH 637E ONVOY, LLC - NH 122   2023-01-04   
603-956 3 Portsmouth NH 637E ONVOY, LLC - NH 122   2022-09-29   
603-956 4 Portsmouth NH 637E ONVOY, LLC - NH 122   2022-09-29   
603-956 5 Portsmouth NH 637E ONVOY, LLC - NH 122   2022-12-23   
603-956 6 Portsmouth NH 637E ONVOY, LLC - NH 122   2023-08-20   
603-956 7 Portsmouth NH 637E ONVOY, LLC - NH 122   2023-05-08   
603-956 9 Portsmouth NH 637E ONVOY, LLC - NH 122   2023-06-23   
603-988 0 Portsmouth NH 637E ONVOY, LLC - NH 122   2021-11-13   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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