Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 315 [Rate centres in NPA 315] [Dial plan for NPA 315]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
315-557 A Clinton NY SYRCNYSWX0X  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 136      
315-557 0 Clinton NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2010-04-02   
315-557 1 Clinton NY SYRCNYSUX1Y  384C ONVOY, LLC- NY 136   2021-04-16   
315-557 2 Clinton NY SYRCNYSWX0X  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 136      
315-557 3 Clinton NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2018-12-08   
315-557 4 Clinton NY SYRCNYSWX0X  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 136   2008-05-19   
315-557 5 Clinton NY   793K TWC IP ENABLED SERVICES, LLC 136   2010-09-08   
315-557 6 Clinton NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2010-08-07   
315-557 7 Clinton NY SYRCNYSUX1Y  384C ONVOY, LLC- NY 136   2012-04-21   
315-557 8 Clinton NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2012-06-01   
315-557 9 Clinton NY SYRCNYSUXLX  515J IP HORIZON LLC 136   2024-08-14   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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