Local Calling Guide

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

NXX: 565

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-565 A Penacook NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-565 0 Penacook NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122   2005-09-15   
603-565 1 Penacook NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122   2006-05-20   
603-565 2 Penacook NH MNCHNHCOXCZ  996E BANDWIDTH.COM CLEC, LLC - NH 122   2002-09-20   
603-565 3 Penacook NH ROCHNHWE4MD  314C IDT AMERICA, CORP. - NH 122   2023-04-30   
603-565 4 Penacook NH MNCHNHCOX8Z  4017 LEVEL 3 COMMUNICATIONS, LLC - NH 122      
603-565 5 Penacook NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122   2012-05-18   
603-565 9 Penacook NH MNCHNHCO23Z  073H TELNYX LLC 122   2024-07-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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