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.

Switch: SYRCNYSLDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-355 A Madrid NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-522 A Gouverneur NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-579 A Syracuse NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-600 A Massena NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-602 A Oswego NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-603 A Potsdam NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-604 A Auburn NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-605 A Ogdensburg NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-608 A Watertown NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-609 A Star Lake NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-610 A Harrisville NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-660 A Wolcott NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-665 A Lyons NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-667 A Marion NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-671 A Syracuse NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-812 A Sodus NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-873 A Waterloo NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-924 A Penn Yan NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
315-948 A Alexandria Bay NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
607-603 A Ithaca NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      
607-605 A Cortland NY 7556 NORTHLAND NETWORKS, LTD. - NY 136      

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

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