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: CHCGILBWCM2

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-792 A Gary IN 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-232 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-323 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-333 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-390 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-393 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-400 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-449 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-452 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-457 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-514 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-679 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-689 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-713 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-740 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-760 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-839 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-903 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-916 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
630-265 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
630-298 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
630-316 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
630-680 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
630-695 A Northbrook West IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
630-714 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-319 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-399 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-521 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-569 A Northbrook IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-605 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-643 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-661 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-718 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-727 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-817 A Northbrook IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-939 A Northbrook IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-988 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
708-992 A Northbrook IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-323 A Chicago Zone 02-Edgewater IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-333 A Chicago Zone 02-Edgewater IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-400 A Chicago Zone 02-Edgewater IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-514 A Chicago Zone 02-Edgewater IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-713 A Chicago Zone 02-Edgewater IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-740 A Chicago Zone 02-Edgewater IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-781 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-845 A Chicago Zone 01-Wabash IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-903 A Chicago Zone 02-Edgewater IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
815-241 A Northbrook IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
815-279 A Kankakee IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      
815-767 A La Grange IL 9748 AMERICAN MESSAGING SERVICES, LLC 358      

1 2 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.