Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-504 A Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-504 0 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
508-504 1 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-05-05   
508-504 2 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
508-504 3 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
508-504 4 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
508-504 5 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
508-504 6 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-04-18   
508-504 7 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
508-504 8 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
508-504 9 Webster MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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