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.

Rotterdam Junction, NY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
518-214 A ALBYNYSS03Z  793K TWC IP ENABLED SERVICES, LLC 134      
518-214 1 ALBYNYSSXAZ  818H PEERING HUB, INC. - NY 134   2021-02-03   
518-214 4 ALBYNYSS03Z  793K TWC IP ENABLED SERVICES, LLC 134   2007-06-14   
518-887 A RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 0 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 1 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 2 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 3 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 4 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 5 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 6 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 7 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
518-887 8   145J TERRA NOVA TELECOM INC. 134   2025-07-12   
518-887 9 RTJTNYXADS0  0116 PATTERSONVILLE TEL. CO. 134      
838-238 A HLDLNY06DS0  365J RIGHT CALL LLC 134      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.