Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 717 [Rate centres in NPA 717] [Dial plan for NPA 717]

NXX: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
717-621 A Lancaster PA HRBGPAHAXVY  5562 METROPCS, INC. 226      
717-621 0 Lancaster PA HRBGPAHAXVY  5562 METROPCS, INC. 226   2017-02-25   
717-621 1 Lancaster PA HRBGPAHAXVY  5562 METROPCS, INC. 226   2017-04-19   
717-621 2 Lancaster PA HRBGPAHAXTX  318J COMCAST IP PHONE, LLC 226   2017-02-26   
717-621 3 Lancaster PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2017-06-01   
717-621 4 Lancaster PA HRBGPAHAXMX  197D VONAGE AMERICA LLC 226   2018-12-17   
717-621 5 Lancaster PA HRBGPAHAXMX  197D VONAGE AMERICA LLC 226   2018-12-17   
717-621 6 Lancaster PA HRBGPAHAXMX  197D VONAGE AMERICA LLC 226   2018-12-17   
717-621 7 Lancaster PA HRBGPAHAXVY  5562 METROPCS, INC. 226   2017-04-19   
717-621 8 Lancaster PA HRBGPAHAXUX  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226   2017-05-15   
717-621 9 Lancaster PA HRBGPAHAXVY  5562 METROPCS, INC. 226   2017-02-25   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.