Local Calling Guide

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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 604

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-604 A Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 0 Humboldt IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2012-12-14   
515-604 1 Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 2 Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 3 Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 4 Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 5 Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 6 Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-604 7 Humboldt IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2008-02-25   
515-604 8 Humboldt IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2010-04-01   
515-604 9 Humboldt IA GRNRIA06RS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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