Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-521 A Glenview IL GLVWILGVDS0  9329 ILLINOIS BELL TEL CO 358      
224-521 0 Glenview IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-521 1 Glenview IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-521 2 Glenview IL   460K FIRST COMMUNICATIONS, LLC 358      
224-521 3 Glenview IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
224-521 4 Glenview IL GLVWILGVDS0  9329 ILLINOIS BELL TEL CO 358      
224-521 5 Glenview IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-521 6 Glenview IL CHCGIL24DS6  224C ONVOY, LLC 358      
224-521 7 Glenview IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
224-521 8 Glenview IL GLVWILGVDS0  9329 ILLINOIS BELL TEL CO 358      
224-521 9 Glenview IL   460K FIRST COMMUNICATIONS, LLC 358      

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

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