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: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-427 A Brownstown IL BRTWILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-427 0 Brownstown IL BRTWILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-427 1 Brownstown IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-427 2 Brownstown IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-427 3 Brownstown IL BRTWILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-427 4 Brownstown IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520      
618-427 5 Brownstown IL BRTWILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      
618-427 6 Brownstown IL COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520      
618-427 7 Brownstown IL STLVMOOH3MD  5562 METROPCS, INC. 520      
618-427 8 Brownstown IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-427 9 Brownstown IL BRTWILXERS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.