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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Carrier, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-329 A OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-329 0 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
580-329 1 OKCYOKCEXBZ  073H TELNYX LLC 536      
580-329 2 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-329 3 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-329 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-329 5 OKCYOKCEXXY  516C AT&T CORP. 536      
580-329 7 OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-855 A CRRROKMARL0  9533 SOUTHWESTERN BELL 536      
580-855 1 CRRROKMARL0  9533 SOUTHWESTERN BELL 536      
580-855 2 CRRROKMARL0  9533 SOUTHWESTERN BELL 536      
580-855 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-855 5 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      

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

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