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: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-571 A Mount Zion IL SPFDILESXVX  318J COMCAST IP PHONE, LLC 374      
217-571 0 Mount Zion IL SPFDILESXVX  318J COMCAST IP PHONE, LLC 374   2007-10-05   
217-571 1 Mount Zion IL   6529 T-MOBILE USA, INC. 374   2024-03-08   
217-571 2 Mount Zion IL SPFDILES7MD  224C ONVOY, LLC 374   2020-05-21   
217-571 3 Mount Zion IL SPFDILES7MD  224C ONVOY, LLC 374   2020-05-21   
217-571 4 Mount Zion IL SPFDILES7MD  224C ONVOY, LLC 374   2020-05-21   
217-571 5 Mount Zion IL SPFDILES7MD  224C ONVOY, LLC 374   2021-02-26   
217-571 6 Mount Zion IL   6529 T-MOBILE USA, INC. 374   2024-03-08   
217-571 7 Mount Zion IL SPFDILES7MD  224C ONVOY, LLC 374   2018-07-30   
217-571 8 Mount Zion IL SPFDILES7MD  224C ONVOY, LLC 374   2023-03-24   
217-571 9 Mount Zion IL SPFDILMBWMD  073H TELNYX LLC 374   2023-11-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.