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.

Switch: CHCGILWUX6X

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-226 7 Crown Point IN 460K FIRST COMMUNICATIONS, LLC 358   2002-03-26   
219-227 1 Dyer IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-227 7 Dyer IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-228 5 Hammond IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-230 A Hammond IN 460K FIRST COMMUNICATIONS, LLC 358      
219-230 0 Hammond IN 460K FIRST COMMUNICATIONS, LLC 358      
219-230 1 Hammond IN 460K FIRST COMMUNICATIONS, LLC 358      
219-232 3 Cedar Lake IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-310 3 Crown Point IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-354 A East Chicago IN 460K FIRST COMMUNICATIONS, LLC 358      
219-354 3 East Chicago IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-354 5 East Chicago IN 460K FIRST COMMUNICATIONS, LLC 358   2002-07-02   
219-378 5 East Chicago IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-381 3 Merrillville IN 460K FIRST COMMUNICATIONS, LLC 358   2002-04-22   
219-390 5 Cedar Lake IN 460K FIRST COMMUNICATIONS, LLC 358   2002-07-02   
219-390 6 Cedar Lake IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-472 3 Merrillville IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-473 8 Whiting IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-484 4 Gary IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-488 5 Crown Point IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-506 5 Morocco IN 460K FIRST COMMUNICATIONS, LLC 358   2004-08-08   
219-512 1 Gary IN 460K FIRST COMMUNICATIONS, LLC 358   2002-03-26   
219-513 7 Highland IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-552 3 Lowell IN 460K FIRST COMMUNICATIONS, LLC 358   2002-03-26   
219-552 6 Lowell IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-558 3 St John IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-558 5 St John IN 460K FIRST COMMUNICATIONS, LLC 358   2002-05-25   
219-558 9 St John IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-576 5 Merrillville IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-629 7 Hammond IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-655 1 Whiting IN 460K FIRST COMMUNICATIONS, LLC 358   2002-03-26   
219-655 6 Whiting IN 460K FIRST COMMUNICATIONS, LLC 358   2004-11-06   
219-864 6 Dyer IN 460K FIRST COMMUNICATIONS, LLC 358   2002-03-26   
219-951 3 Gary IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-961 1 Highland IN 460K FIRST COMMUNICATIONS, LLC 358   2002-03-26   
219-961 7 Highland IN 460K FIRST COMMUNICATIONS, LLC 358   2006-05-21   
219-992 5 Lake Village IN 460K FIRST COMMUNICATIONS, LLC 358   2004-08-08   
224-204 6 Evanston IL 460K FIRST COMMUNICATIONS, LLC 358   2018-02-24   
224-206 1 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2012-07-06   
224-207 A Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358      
224-207 0 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
224-207 1 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
224-207 2 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
224-207 3 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
224-207 5 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-12-02   
224-207 6 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
224-207 7 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2005-03-20   
224-207 9 Libertyville IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
224-208 2 Bartlett IL 460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
224-217 6 Des Plaines IL 460K FIRST COMMUNICATIONS, LLC 358   2004-11-29   

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.