Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-904 A Des Moines IA DESMIAITX9X  490J DISH WIRELESS, LLC 632      
515-904 0 Des Moines IA   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632   2022-09-25   
515-904 1 Des Moines IA   221F ONVOY, LLC - IA 632   2023-11-12   
515-904 2 Des Moines IA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632   2023-01-27   
515-904 4 Des Moines IA   624H ONVOY SPECTRUM, LLC 632   2023-03-02   
515-904 6 Des Moines IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2023-07-31   
515-904 7 Des Moines IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2023-07-31   
515-904 8 Des Moines IA   221F ONVOY, LLC - IA 632   2023-07-22   
515-904 9 Des Moines IA   490J DISH WIRELESS, LLC 632   2022-02-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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