Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-275 A Howells NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-275 0 Howells NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2021-06-17   
531-275 1 Howells NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2021-12-31   
531-275 2 Howells NE BLLVNEBL5MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 644   2023-01-23   
531-275 3 Howells NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2021-12-31   
531-275 4 Howells NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2021-12-31   
531-275 5 Howells NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2021-12-31   
531-275 6 Howells NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2021-12-31   
531-275 8 Howells NE OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2022-06-18   
531-275 9 Howells NE   515J IP HORIZON LLC 644   2022-04-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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