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: 218

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-218 A Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122   2025-04-30   
603-218 0 Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122      
603-218 1 Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122      
603-218 2 Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122      
603-218 3 Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2011-07-12   
603-218 4 Manchester NH MNCHNHAC7MD  145J TERRA NOVA TELECOM INC. 122   2026-03-14   
603-218 5 Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122      
603-218 6 Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122      
603-218 7 Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122   2009-10-12   
603-218 8 Manchester NH MNCHNHCO44Z  829J PAETEC ITEL, LLC 122      
603-218 9 Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2006-05-16   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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