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: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-639 A Fort Ann NY FTANNYFARS0  9104 VERIZON NEW YORK, INC. 134      
518-639 0 Fort Ann NY   384C ONVOY, LLC- NY 134   2012-08-27   
518-639 1 Fort Ann NY   793K TWC IP ENABLED SERVICES, LLC 134   2010-10-30   
518-639 2 Fort Ann NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 134   2007-03-05   
518-639 3 Fort Ann NY   508J CENTURYLINK COMMUNICATIONS, LLC 134   2016-11-10   
518-639 4 Fort Ann NY   9104 VERIZON NEW YORK, INC. 134      
518-639 5 Fort Ann NY   9104 VERIZON NEW YORK, INC. 134      
518-639 6 Fort Ann NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 134   2004-07-17   
518-639 7 Fort Ann NY   384C ONVOY, LLC- NY 134   2012-04-07   
518-639 8 Fort Ann NY   9104 VERIZON NEW YORK, INC. 134      
518-639 9 Fort Ann NY   997E BANDWIDTH.COM CLEC, LLC - NY 134   2012-04-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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