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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-661 A Springfield MA   756G WIDE VOICE, LLC - MA 126   2026-09-30   
413-661 1 Springfield MA   756G WIDE VOICE, LLC - MA 126   2026-09-30   
413-661 2 Springfield MA   756G WIDE VOICE, LLC - MA 126   2026-09-30   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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