Local Calling Guide

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

NXX: 699

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-699 A Nashua NH MNCHNHNIZMD  732J NUSO, LLC 122      
603-699 0 Nashua NH   637E ONVOY, LLC - NH 122   2023-08-20   
603-699 1 Nashua NH   732J NUSO, LLC 122   2023-10-14   
603-699 2 Nashua NH   6386 BELL ATLANTIC MOBILE, INC 122   2023-12-15   
603-699 3 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-12-15   
603-699 4 Nashua NH   490J DISH WIRELESS, LLC 122   2023-11-05   
603-699 5 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2024-01-19   
603-699 6 Nashua NH   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2023-10-14   
603-699 7 Nashua NH   318J COMCAST IP PHONE, LLC 122   2023-08-19   
603-699 8 Nashua NH   318J COMCAST IP PHONE, LLC 122   2023-08-19   
603-699 9 Nashua NH   927H PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH 122   2023-08-08   

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

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