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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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   
413-516 3 Westfield MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2025-11-25   
413-516 9 Westfield MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2025-11-12   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.