Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 315 [Rate centres in NPA 315] [Dial plan for NPA 315]

NXX: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
315-355 A Madrid NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-355 0 Madrid NY SYRCNYSWX0X  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 136   2008-04-29   
315-355 1 Madrid NY SYRCNYSUX8Y  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 136   2008-12-03   
315-355 2 Madrid NY SYRCNYSUH05  4152 PAETEC COMMUNICATIONS, INC. - NY 136   2010-02-03   
315-355 3 Madrid NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2010-04-02   
315-355 4 Madrid NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-355 5 Madrid NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-355 6 Madrid NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2019-04-21   
315-355 7 Madrid NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2011-01-10   
315-355 8 Madrid NY SYRCNYJS6MD  423G VOXBEAM TELECOMMUNICATIONS INC. - NY 136   2012-10-23   
315-355 9 Madrid NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      

Last updated: Wed, 01 Dec 2021 01:40:16 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.