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: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
315-394 A Ogdensburg NY OGBGNYOGRS0  9104 VERIZON NEW YORK, INC. 136      
315-394 0 Ogdensburg NY   9104 VERIZON NEW YORK, INC. 136      
315-394 1 Ogdensburg NY   073H TELNYX LLC 136   2021-01-31   
315-394 2 Ogdensburg NY   9104 VERIZON NEW YORK, INC. 136      
315-394 3 Ogdensburg NY   384C ONVOY, LLC- NY 136   2021-04-16   
315-394 4 Ogdensburg NY   384C ONVOY, LLC- NY 136   2021-04-16   
315-394 5 Ogdensburg NY   384C ONVOY, LLC- NY 136   2023-01-22   
315-394 6 Ogdensburg NY   9104 VERIZON NEW YORK, INC. 136      
315-394 7 Ogdensburg NY   145J TERRA NOVA TELECOM INC. 136   2022-04-11   
315-394 8 Ogdensburg NY   624H ONVOY SPECTRUM, LLC 136   2021-04-25   
315-394 9 Ogdensburg NY   9104 VERIZON NEW YORK, INC. 136      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.