Local Calling Guide

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

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-521 A Nashua NH MNCHNHCOA02  7421 AT&T - LOCAL 122      
603-521 0 Nashua NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-521 1 Nashua NH MNCHNHCOA02  7421 AT&T - LOCAL 122      
603-521 2 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-521 3 Nashua NH MNCHNHCOA02  7421 AT&T - LOCAL 122      
603-521 4 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-521 5 Nashua NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-521 6 Nashua NH NASHNH08AMD  4053 CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC 122      
603-521 7 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-521 8 Nashua NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-521 9 Nashua NH MNCHNHCOA02  7421 AT&T - LOCAL 122      

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

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