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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-203 A Buffalo IL SPFDILESXSX  145J TERRA NOVA TELECOM INC. 374      
217-203 0 Buffalo IL CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2015-10-29   
217-203 1 Buffalo IL SPFDILESXHX  073H TELNYX LLC 374   2017-03-20   
217-203 2 Buffalo IL SPFDILMB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2014-08-08   
217-203 3 Buffalo IL   145J TERRA NOVA TELECOM INC. 374   2019-03-17   
217-203 4 Buffalo IL SPFDILES7MD  224C ONVOY, LLC 374   2018-07-16   
217-203 5 Buffalo IL SPFDILESXHX  073H TELNYX LLC 374   2019-08-20   
217-203 6 Buffalo IL SPFDILES7MD  224C ONVOY, LLC 374   2019-04-21   
217-203 7 Buffalo IL SPFDILSDX5X  516C AT&T CORP. 374   2011-02-04   
217-203 8 Buffalo IL SPFDILES7MD  224C ONVOY, LLC 374   2019-04-21   
217-203 9 Buffalo IL SPFDILESDS3  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2017-08-17   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.