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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Granite, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-201 A OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
580-201 6 OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
580-535 A GRANOKMARS1  9533 SOUTHWESTERN BELL 536      
580-535 0 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
580-535 1 GRANOKMARS1  9533 SOUTHWESTERN BELL 536      
580-535 2 OKCYOKCEXBZ  073H TELNYX LLC 536      
580-535 4 GRANOKMARS1  9533 SOUTHWESTERN BELL 536      
580-535 5 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-535 7 OKCYOKCEXXY  516C AT&T CORP. 536      
580-535 8 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-535 9 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      

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

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