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   2011-06-16   
580-429 5 Cache OK 258F WICHITA ONLINE, INC. - OK 536   2013-04-01   
580-467 9 Duncan OK 258F WICHITA ONLINE, INC. - OK 536   2014-12-18   
580-569 8 Snyder OK 258F WICHITA ONLINE, INC. - OK 536   2014-12-18   
580-586 A Waurika OK 258F WICHITA ONLINE, INC. - OK 536      
580-586 1 Waurika OK 258F WICHITA ONLINE, INC. - OK 536   2021-04-17   
580-717 A Roosevelt OK 258F WICHITA ONLINE, INC. - OK 536      
580-861 1 Rush Springs OK 258F WICHITA ONLINE, INC. - OK 536   2014-11-27   
580-875 5 Walters OK 258F WICHITA ONLINE, INC. - OK 536   2013-04-01   

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

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