Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 516

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-516 A Westfield MA   616J LEAP TELECOM, LLC 126   2025-04-07   
413-516 0 Westfield MA   616J LEAP TELECOM, LLC 126   2025-03-10   
413-516 1 Westfield MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2024-03-01   
413-516 2 Westfield MA SPFDMAWOXTY  990E BANDWIDTH.COM CLEC, LLC - MA 126   2024-09-16   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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