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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-238 A Troy NY TROYNY03DS0  9104 VERIZON NEW YORK, INC. 134      
518-238 0 Troy NY   9104 VERIZON NEW YORK, INC. 134      
518-238 1 Troy NY   9104 VERIZON NEW YORK, INC. 134      
518-238 2 Troy NY   9104 VERIZON NEW YORK, INC. 134      
518-238 3 Troy NY   793K TWC IP ENABLED SERVICES, LLC 134   2008-05-06   
518-238 4 Troy NY   9104 VERIZON NEW YORK, INC. 134      
518-238 5 Troy NY   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 134   2007-12-08   
518-238 6 Troy NY   7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 134   2008-11-17   
518-238 7 Troy NY   9104 VERIZON NEW YORK, INC. 134      
518-238 8 Troy NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2014-12-01   
518-238 9 Troy NY   9104 VERIZON NEW YORK, INC. 134      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.