Local Calling Guide

Area code/prefix search

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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   1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 1   1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 2   1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 3   1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 4   1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 5   1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 6   1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
580-492 8   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-492 9   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2023-10-30   
580-720 A OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
580-720 0   145J TERRA NOVA TELECOM INC. 536   2025-07-10   
580-720 6   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2020-12-28   
580-720 7   409F ONVOY, LLC - OK 536   2023-11-25   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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