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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-278 A Jonesville NY ALBYNYSSXOZ  7989 TVC ALBANY, INC. DBA FIRSTLIGHT FIBER 134      
518-278 0 Jonesville NY   384C ONVOY, LLC- NY 134   2012-08-27   
518-278 2 Jonesville NY   7140 TC SYSTEMS, INC. - NY 134   2000-11-11   
518-278 3 Jonesville NY   145J TERRA NOVA TELECOM INC. 134   2021-04-04   
518-278 4 Jonesville NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 134   2004-07-20   
518-278 5 Jonesville NY   8249 RINGSQUARED TELECOM LLC 134   2006-10-02   
518-278 6 Jonesville NY   384C ONVOY, LLC- NY 134   2013-01-19   
518-278 7 Jonesville NY   384C ONVOY, LLC- NY 134   2012-04-07   
518-278 8 Jonesville NY   7989 TVC ALBANY, INC. DBA FIRSTLIGHT FIBER 134      
518-278 9 Jonesville NY   8473 LEVEL 3 TELECOM OF NEW YORK, LP - NY 134   2002-05-13   

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

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