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.

Elgin, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-454 A OKCYOKCEX6Z  258F WICHITA ONLINE, INC. - OK 536      
580-492 A ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 0 ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 1 ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 2 ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 3 ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 4 ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 5 ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 6 ELGNOKXAPS0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 9 OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2023-10-30   
580-720 A OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
580-720 6 OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2020-12-28   
580-720 7 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-11-25   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.