Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-305 A ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-305 0 ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-305 1 ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-305 2 ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-305 3 ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-305 4   145J TERRA NOVA TELECOM INC. 536   2025-07-10   
580-305 5   6529 T-MOBILE USA, INC. 536   2025-05-05   
580-305 6   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-305 7   145J TERRA NOVA TELECOM INC. 536   2026-03-15   
580-305 8   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-305 9   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-335 A FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 0 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 1 ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-335 2 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 3 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 4 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-335 5 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 6 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 7 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 8 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-335 9 FRDROKXADS0  2018 PIONEER TEL. COOP., INC. 536      
580-418 A OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-418 0 ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-418 1   5562 METROPCS, INC. 536   2025-05-08   
580-418 2   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-418 3 OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2018-12-19   
580-418 4   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-418 5   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-418 6   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-418 7 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-10-22   
580-418 8 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2008-12-15   
580-418 9   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-770 A OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-770 0   6272 UNITED STATES CELLULAR - OK 536   2026-04-06   
580-770 1 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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