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.

East Rochester, NY

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
585-899 A ERCHNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-899 0 ROCHNYPA3MD  5562 METROPCS, INC. 974   2003-06-01   
585-899 1 ERCHNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974   2002-11-04   
585-899 2 ROCHNYLNDS0  7140 TC SYSTEMS, INC. - NY 974   2000-11-11   
585-899 3 ERCHNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974   2002-01-24   
585-899 4 ERCHNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-899 5 GATSNYAODS0  8473 LEVEL 3 TELECOM OF NEW YORK, LP - NY 974   2002-11-03   
585-899 6 ERCHNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-899 7   829J PAETEC ITEL, LLC 974   2002-03-01   
585-899 8 ROCHNYCT0MD  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974   2003-03-05   
585-899 9 ROCHNYPA3MD  5562 METROPCS, INC. 974   2003-06-01   

<< 1 2 3

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.