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.

Switch: MILWWIAUX5Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
262-230 A Milwaukee Zone 2 WI 996H AIRESPRING, INC. 356      
262-230 0 Milwaukee Zone 2 WI 996H AIRESPRING, INC. 356   2018-10-20   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.