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.
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NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-418 A Frederick OK OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-418 0 Frederick OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-418 3 Frederick OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-418 7 Frederick OK OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-418 8 Frederick OK OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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