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: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
315-957 A Massena NY SYRCNYSUXJX  6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 136      
315-957 0 Massena NY   997E BANDWIDTH.COM CLEC, LLC - NY 136   2019-05-17   
315-957 1 Massena NY   073H TELNYX LLC 136   2021-01-29   
315-957 2 Massena NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 136   2022-02-16   
315-957 3 Massena NY   7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 136   2019-05-29   
315-957 4 Massena NY   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136   2022-05-06   
315-957 5 Massena NY   624H ONVOY SPECTRUM, LLC 136   2021-04-25   
315-957 6 Massena NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 136   2022-02-16   
315-957 7 Massena NY   384C ONVOY, LLC- NY 136   2021-03-21   
315-957 8 Massena NY   384C ONVOY, LLC- NY 136   2021-03-21   
315-957 9 Massena NY   6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 136   2020-04-08   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.