Local Calling Guide

Area code/prefix search

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

NXX: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-617 A Chester Springs PA PHLAPAMKXHX  478J NUSO, LLC 228      
484-617 0 Chester Springs PA   073H TELNYX LLC 228   2021-03-11   
484-617 1 Chester Springs PA   478J NUSO, LLC 228   2021-01-24   
484-617 2 Chester Springs PA   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 228   2021-01-25   
484-617 3 Chester Springs PA   547E ONVOY, LLC - PA 228   2021-07-18   
484-617 5 Chester Springs PA   478J NUSO, LLC 228   2023-12-10   
484-617 6 Chester Springs PA   624H ONVOY SPECTRUM, LLC 228   2021-05-10   
484-617 7 Chester Springs PA   547E ONVOY, LLC - PA 228   2021-05-29   
484-617 8 Chester Springs PA   547E ONVOY, LLC - PA 228   2021-05-29   
484-617 9 Chester Springs PA   197D VONAGE AMERICA LLC 228   2021-07-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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