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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Roff, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-404 A OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536      
580-404 0 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536      
580-404 1 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536      
580-404 2 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-404 4   145J TERRA NOVA TELECOM INC. 536      
580-404 9 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
580-456 A ROFFOKMARS1  9533 SOUTHWESTERN BELL 536      
580-456 0 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-456 1 ROFFOKMARS1  9533 SOUTHWESTERN BELL 536      
580-456 2 OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-456 3 OKCYOKCEXBZ  073H TELNYX LLC 536      
580-456 4 OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-456 5 OKCYOKCEXXY  516C AT&T CORP. 536      
580-456 6 OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
580-456 7 ROFFOKMARS1  9533 SOUTHWESTERN BELL 536      
580-456 8 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-456 9 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      

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

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