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: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-388 A Melvin IL MLVNILXCRS1  1015 FRONTIER NORTH, INC. - IL 370      
217-388 1 Melvin IL CHMPILCPOMD  224C ONVOY, LLC 370      
217-388 2 Melvin IL MLVNILXCRS1  1015 FRONTIER NORTH, INC. - IL 370      
217-388 3 Melvin IL   593K MCC TELEPHONY LLC 370      
217-388 4 Melvin IL CHMPILCPX0Y  073H TELNYX LLC 370      
217-388 5 Melvin IL CHMPILCPOMD  224C ONVOY, LLC 370      
217-388 6 Melvin IL CHMPILCPXOX  508J CENTURYLINK COMMUNICATIONS, LLC 370      
217-388 7 Melvin IL MLVNILXCRS1  1015 FRONTIER NORTH, INC. - IL 370      
217-388 8 Melvin IL CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370      
217-388 9 Melvin IL CHMPILCPOMD  224C ONVOY, LLC 370      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.