Local Calling Guide

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NPA: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-776 A Ainsworth NE OMAHNENWXPX  549E ONVOY, LLC - NE 644      
531-777 A Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644      
531-795 A Lincoln NE   907K ALLO COMMUNICATIONS LLC 958   2025-10-03   
531-800 A Omaha NE OMAKNEYW6MD  965H FRACTEL, LLC 644      
531-810 A Lincoln NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958      
531-867 A Omaha NE OMAKNEYW1MD  939H COMMIO, LLC 644      
531-888 A O'Neill NE OMAHNENWX6Y  073H TELNYX LLC 644      
531-893 A Lincoln NE LNCLNEXLX7Y  506J TWILIO INTERNATIONAL, INC. 958      
531-895 A Omaha NE OMAHNENWXEY  506J TWILIO INTERNATIONAL, INC. 644      
531-900 A West Point NE OMAKNEYW6MD  965H FRACTEL, LLC 644      
531-910 A Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644      
531-985 A Omaha NE   907K ALLO COMMUNICATIONS LLC 644   2025-10-03   
531-999 A Omaha NE OMAKNEYW5MD  145J TERRA NOVA TELECOM INC. 644      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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