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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-290 A Riverton IL SPFDILES7MD  224C ONVOY, LLC 374      
217-290 0 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-09-06   
217-290 1 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2019-05-17   
217-290 2 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2019-05-17   
217-290 3 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-01-11   
217-290 4 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-01-11   
217-290 5 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-05-21   
217-290 6 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-05-21   
217-290 7 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-05-21   
217-290 8 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-05-21   
217-290 9 Riverton IL SPFDILES7MD  224C ONVOY, LLC 374   2020-09-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.