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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-331 A Martell NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958      
531-331 0 Martell NE LNCLNEXLX2Y  624H ONVOY SPECTRUM, LLC 958   2024-03-11   
531-331 1 Martell NE LNCLNE130MD  710A ALLO COMMUNICATIONS, LLC - NE 958   2023-03-31   
531-331 2 Martell NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2020-05-01   
531-331 3 Martell NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2019-05-04   
531-331 4 Martell NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2020-05-01   
531-331 5 Martell NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-04-12   
531-331 6 Martell NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-13   
531-331 7 Martell NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-13   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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