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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-524 A Springfield MA   321J HD CARRIER LLC 126   2025-11-22   
413-524 0 Springfield MA SPFDMAATAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2026-03-09   
413-524 1 Springfield MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 126   2026-03-23   
413-524 2 Springfield MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2026-03-09   
413-524 3 Springfield MA   321J HD CARRIER LLC 126   2025-11-22   
413-524 4 Springfield MA   321J HD CARRIER LLC 126   2025-11-22   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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