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: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-899 A South Deerfield MA SPFDMABRX9X  7421 AT&T - LOCAL 126      
413-899 3 South Deerfield MA SPFDMAATDS2  7103 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 126   2014-12-15   
413-899 7 South Deerfield MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-02-22   
413-899 8 South Deerfield MA SPFDMAWOXLY  892D ONVOY, LLC - MA 126   2021-02-22   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.