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: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 756

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-756 A Healdsburg CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
707-756 0 Healdsburg CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
707-756 1 Healdsburg CA   515J IP HORIZON LLC 722      
707-756 2 Healdsburg CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
707-756 3 Healdsburg CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
707-756 4 Healdsburg CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-756 5 Healdsburg CA SNFCCA01XGX  516C AT&T CORP. 722      
707-756 6 Healdsburg CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-756 7 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-756 8 Healdsburg CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.