Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-607 A Williamstown MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2026-10-15   
413-607 0 Williamstown MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2026-10-15   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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