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: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-391 A Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      
440-391 0 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      
440-391 1 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      
440-391 2 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      
440-391 3 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      
440-391 4 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      
440-391 5 Willoughby OH CLEYOHDH0MD  0265 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - OH 320   2004-01-24   
440-391 6 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2015-11-09   
440-391 7 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2006-01-30   
440-391 8 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      
440-391 9 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.