Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-844 A San Mateo CA SNJUCACL7MD  965H FRACTEL, LLC 722      
650-844 0 San Mateo CA   649C ONVOY, LLC - CA 722   2021-08-13   
650-844 1 San Mateo CA   649C ONVOY, LLC - CA 722   2021-08-13   
650-844 2 San Mateo CA   649C ONVOY, LLC - CA 722   2021-08-13   
650-844 3 San Mateo CA   649C ONVOY, LLC - CA 722   2021-08-13   
650-844 4 San Mateo CA   965H FRACTEL, LLC 722   2020-10-25   
650-844 5 San Mateo CA   649C ONVOY, LLC - CA 722   2020-11-25   
650-844 6 San Mateo CA   649C ONVOY, LLC - CA 722   2020-11-25   
650-844 7 San Mateo CA   649C ONVOY, LLC - CA 722   2020-11-25   
650-844 8 San Mateo CA   649C ONVOY, LLC - CA 722   2020-11-25   
650-844 9 San Mateo CA   939H COMMIO, LLC 722   2021-09-16   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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