Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 484 [Rate centres in NPA 484] [Dial plan for NPA 484]

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-331 A Reading PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-331 0 Reading PA   939H COMMIO, LLC 228   2021-08-29   
484-331 1 Reading PA   939H COMMIO, LLC 228   2021-08-29   
484-331 2 Reading PA   547E ONVOY, LLC - PA 228   2024-03-10   
484-331 3 Reading PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-331 4 Reading PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2007-07-15   
484-331 5 Reading PA   624H ONVOY SPECTRUM, LLC 228   2021-11-12   
484-331 6 Reading PA   624H ONVOY SPECTRUM, LLC 228   2021-11-12   
484-331 7 Reading PA   624H ONVOY SPECTRUM, LLC 228   2021-11-12   
484-331 8 Reading PA   6846 D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 228   2021-11-04   
484-331 9 Reading PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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