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: 518 [Rate centres in NPA 518] [Dial plan for NPA 518]

NXX: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-770 A Amsterdam NY   829J PAETEC ITEL, LLC 134   2025-04-09   
518-770 0 Amsterdam NY   155E PEERLESS NETWORK OF NEW YORK, LLC - NY 134   2015-12-26   
518-770 1 Amsterdam NY   829J PAETEC ITEL, LLC 134      
518-770 2 Amsterdam NY   321J HD CARRIER LLC 134   2016-04-07   
518-770 3 Amsterdam NY   321J HD CARRIER LLC 134   2016-04-07   
518-770 4 Amsterdam NY   321J HD CARRIER LLC 134   2016-04-07   
518-770 5 Amsterdam NY   145J TERRA NOVA TELECOM INC. 134   2024-05-25   
518-770 6 Amsterdam NY   829J PAETEC ITEL, LLC 134      
518-770 7 Amsterdam NY   829J PAETEC ITEL, LLC 134      
518-770 8 Amsterdam NY   818H PEERING HUB, INC. - NY 134   2020-10-30   
518-770 9 Amsterdam NY   321J HD CARRIER LLC 134   2016-04-07   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.