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: 708 [Rate centres in NPA 708] [Dial plan for NPA 708]

NXX: 934

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-934 A Oak Park IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
708-934 0 Oak Park IL   224C ONVOY, LLC 358   2022-09-30   
708-934 1 Oak Park IL   224C ONVOY, LLC 358   2024-02-29   
708-934 2 Oak Park IL   224C ONVOY, LLC 358   2020-08-08   
708-934 3 Oak Park IL   224C ONVOY, LLC 358   2020-08-08   
708-934 4 Oak Park IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
708-934 5 Oak Park IL   624H ONVOY SPECTRUM, LLC 358   2021-11-25   
708-934 6 Oak Park IL   224C ONVOY, LLC 358   2014-09-11   
708-934 7 Oak Park IL   224C ONVOY, LLC 358   2024-02-29   
708-934 8 Oak Park IL   224C ONVOY, LLC 358   2022-09-30   
708-934 9 Oak Park IL   224C ONVOY, LLC 358   2022-09-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.