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: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-624 A Vacaville CA VCVLCA12DS0  9740 PACIFIC BELL 722      
707-624 0 Vacaville CA   6529 T-MOBILE USA, INC. 722   2008-07-06   
707-624 1 Vacaville CA   9740 PACIFIC BELL 722   2008-08-28   
707-624 2 Vacaville CA   9740 PACIFIC BELL 722   2008-04-18   
707-624 3 Vacaville CA   9740 PACIFIC BELL 722   2008-04-18   
707-624 4 Vacaville CA   9740 PACIFIC BELL 722   2008-04-18   
707-624 5 Vacaville CA   5562 METROPCS, INC. 722   2009-04-17   
707-624 6 Vacaville CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-06-06   
707-624 7 Vacaville CA   9740 PACIFIC BELL 722   2008-05-27   
707-624 8 Vacaville CA   9740 PACIFIC BELL 722   2008-05-27   
707-624 9 Vacaville CA   5562 METROPCS, INC. 722   2008-12-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.