Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-306 A Willoughby OH CLEVOHAQDS1  7520 XO OHIO, INC. 320      
440-306 0 Willoughby OH CLEVOHAQDS1  7520 XO OHIO, INC. 320      
440-306 1 Willoughby OH CLEVOHAQDS1  7520 XO OHIO, INC. 320      
440-306 2 Willoughby OH CLEVOHAQDS1  7520 XO OHIO, INC. 320      
440-306 3 Willoughby OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2014-10-13   
440-306 4 Willoughby OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2014-10-13   
440-306 5 Willoughby OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC LLC - OH 320   2015-05-23   
440-306 6 Willoughby OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC LLC - OH 320   2015-05-23   
440-306 7 Willoughby OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2016-02-15   
440-306 8 Willoughby OH CLEVOH64X7X  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 320   2015-12-20   
440-306 9 Willoughby OH CLEVOHAQDS1  7520 XO OHIO, INC. 320   2009-12-19   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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