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: 916 [Rate centres in NPA 916] [Dial plan for NPA 916]

NXX: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
916-304 A Michigan Bar CA SCRMCAWC2KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 726      
916-304 0 Michigan Bar CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-304 1 Michigan Bar CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-304 2 Michigan Bar CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 3 Michigan Bar CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 4 Michigan Bar CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 5 Michigan Bar CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 6 Michigan Bar CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 7 Michigan Bar CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
916-304 8 Michigan Bar CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
916-304 9 Michigan Bar CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.