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: LWTNOKTBZMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-315 A Sterling OK 258F WICHITA ONLINE, INC. - OK 536      
580-350 A Lawton OK 258F WICHITA ONLINE, INC. - OK 536      
580-350 1 Lawton OK 258F WICHITA ONLINE, INC. - OK 536      
580-429 5 Cache OK 258F WICHITA ONLINE, INC. - OK 536      
580-467 9 Duncan OK 258F WICHITA ONLINE, INC. - OK 536      
580-569 8 Snyder OK 258F WICHITA ONLINE, INC. - OK 536      
580-586 A Waurika OK 258F WICHITA ONLINE, INC. - OK 536      
580-586 1 Waurika OK 258F WICHITA ONLINE, INC. - OK 536      
580-717 A Roosevelt OK 258F WICHITA ONLINE, INC. - OK 536      
580-861 1 Rush Springs OK 258F WICHITA ONLINE, INC. - OK 536      
580-875 5 Walters OK 258F WICHITA ONLINE, INC. - OK 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.