Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-221 A Lockport IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 0 Lockport IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 1 Lockport IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 2 Lockport IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 3 Lockport IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 4 Lockport IL   7196 MCI WORLDCOM COMMUNICATIONS, INC. - IL 358   2004-05-29   
815-221 5 Lockport IL   7056 XO ILLINOIS, INC. 358   2004-10-17   
815-221 6 Lockport IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2005-03-19   
815-221 7 Lockport IL   5562 METRO PCS, INC. 358   2017-04-01   
815-221 8 Lockport IL   224C ONVOY, LLC 358   2010-02-14   
815-221 9 Lockport IL   5562 METRO PCS, INC. 358   2018-11-15   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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