Local Calling Guide

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

NXX: 525

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-525 A Willoughby OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-525 0 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2006-06-22   
440-525 1 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2006-06-22   
440-525 2 Willoughby OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2010-05-28   
440-525 3 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2006-06-22   
440-525 4 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2006-06-22   
440-525 5 Willoughby OH CLEVOH024MD  516C AT&T CORP. 320   2005-06-15   
440-525 6 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2009-10-02   
440-525 7 Willoughby OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-525 8 Willoughby OH CLEYOHDH0MD  0265 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - OH 320   2016-03-07   
440-525 9 Willoughby OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      

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

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