Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Cheyenne, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-449 A OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-449 1 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-449 9   145J TERRA NOVA TELECOM INC. 536   2025-07-10   
580-497 A CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 0 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 1 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 2 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 3 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 4 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 5 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 6 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-497 7 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-497 8 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      
580-497 9 CHYNOKXADS0  1988 DOBSON TEL. CO. 536      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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