Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 518 [Rate centres in NPA 518] [Dial plan for NPA 518]

NXX: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-855 A Greenwich NY COLNNYEJDS0  8473 LEVEL 3 TELECOM OF NEW YORK, LP - NY 134      
518-855 0 Greenwich NY   8473 LEVEL 3 TELECOM OF NEW YORK, LP - NY 134      
518-855 1 Greenwich NY   997E BANDWIDTH.COM CLEC, LLC - NY 134   2014-09-28   
518-855 2 Greenwich NY   384C ONVOY, LLC- NY 134   2016-03-28   
518-855 3 Greenwich NY   384C ONVOY, LLC- NY 134   2012-04-07   
518-855 4 Greenwich NY   193C SLIC NETWORK SOLUTIONS, INC. - NY 134   2020-09-24   
518-855 5 Greenwich NY   384C ONVOY, LLC- NY 134   2012-08-27   
518-855 6 Greenwich NY   384C ONVOY, LLC- NY 134   2015-01-08   
518-855 7 Greenwich NY   384C ONVOY, LLC- NY 134   2015-01-08   
518-855 8 Greenwich NY   321J HD CARRIER LLC 134   2014-07-31   
518-855 9 Greenwich NY   384C ONVOY, LLC- NY 134   2016-03-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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