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: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-321 A Adams NE LNCLNEXLXHX  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958      
531-321 0 Adams NE LNCLNEXLXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958   2021-03-29   
531-321 1 Adams NE LNCLNEXLXHX  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2019-10-05   
531-321 2 Adams NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-04-12   
531-321 3 Adams NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2019-04-18   
531-321 5 Adams NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-13   
531-321 6 Adams NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-13   

Last updated: Wed, 28 Sep 2022 23:50:19 UTC

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