Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-644 A Des Moines IA DESMIADTXMX  073H TELNYX LLC 632      
515-644 0 Des Moines IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2023-11-27   
515-644 1 Des Moines IA DESMIADTXMX  073H TELNYX LLC 632   2020-01-12   
515-644 2 Des Moines IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-01-22   
515-644 3 Des Moines IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-01-22   
515-644 4 Des Moines IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-01-22   
515-644 5 Des Moines IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-01-22   
515-644 6 Des Moines IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-01-22   
515-644 7 Des Moines IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-01-22   
515-644 8 Des Moines IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2021-12-06   
515-644 9 Des Moines IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2023-03-30   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.