Local Calling Guide

Area code/prefix search

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Billings, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-422 A OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-422 0 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536      
580-422 1 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
580-422 2 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-422 3 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-422 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-422 5 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-422 6 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536      
580-422 7 OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
580-422 9 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536      
580-725 A BLNGOKMARS1  9533 SOUTHWESTERN BELL 536      
580-725 0   624H ONVOY SPECTRUM, LLC 536      
580-725 1 BLNGOKMARS1  9533 SOUTHWESTERN BELL 536      
580-725 2 OKCYOKCEXBZ  073H TELNYX LLC 536      
580-725 3 BLNGOKMARS1  9533 SOUTHWESTERN BELL 536      
580-725 5 OKCYOKCEXXY  516C AT&T CORP. 536      
580-725 7 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-725 8 OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-725 9   624H ONVOY SPECTRUM, LLC 536      

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

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