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: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 282

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-282 A Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-282 0 Hinsdale IL   145J TERRA NOVA TELECOM INC. 358      
331-282 1 Hinsdale IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-282 2 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-282 3 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-282 4 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-282 5 Hinsdale IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
331-282 6 Hinsdale IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
331-282 7 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-282 8 Hinsdale IL CHCGILCNHMD  073H TELNYX LLC 358      
331-282 9 Hinsdale IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.