Local Calling Guide

Area code/prefix search

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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 221

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 CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 1 Lockport IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 2 Lockport IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 3 Lockport IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-221 4 Lockport IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
815-221 5 Lockport IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
815-221 6 Lockport IL   460K FIRST COMMUNICATIONS, LLC 358      
815-221 7 Lockport IL ELGNILOT2MD  5562 METROPCS, INC. 358      
815-221 8 Lockport IL CHCGIL24DS6  224C ONVOY, LLC 358      
815-221 9 Lockport IL ELGNILOT2MD  5562 METROPCS, INC. 358      

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

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