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.

OCN: 856H MIX NETWORKS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
332-255 A New York City Zone 01 NY NYCMNYBXMMD  132      
332-255 7 New York City Zone 01 NY NYCMNYBXMMD  132   2017-06-10   
863-500 A Lakeland FL TAMSFLDELMD  952      
863-500 5 Lakeland FL TAMSFLDELMD  952   2016-12-01   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.