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: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 954

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-954 A San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 0 San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-08-30   
650-954 1 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 2 San Mateo CA OKLDCAMPDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2009-05-13   
650-954 3 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 4 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 5 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 6 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 7 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 8 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
650-954 9 San Mateo CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.