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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-377 A Earlham IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
515-377 0 Earlham IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
515-377 1 Earlham IA   444G AUREON COMMUNICATIONS, LLC 632      
515-377 2 Earlham IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-377 3 Earlham IA DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
515-377 5 Earlham IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
515-377 8 Earlham IA   624H ONVOY SPECTRUM, LLC 632      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.