NRNumberResearch Membership · Data 09/17/2026

← Area code 650

All assignees

730 prefixes in 650 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by all assignees in area code 650
NPA-NXXRate centerOCNAssignedPooled
650-820 REDWOOD CY 624H 2023-02-21 Yes
650-821 SSNFRNCSCO 7145 — —
650-822 SSNFRNCSCO 649C 2015-03-25 Yes
650-823 LOS ALTOS 6010 — —
650-825 SSNFRNCSCO 7229 — Yes
650-826 SSNFRNCSCO 6529 — Yes
650-827 SSNFRNCSCO 9740 — Yes
650-829 SSNFRNCSCO 9740 — —
650-830 SNCRL-BLMT 8826 2001-01-25 Yes
650-832 SNCRL-BLMT 671J — Yes
650-833 PALO ALTO 9740 — Yes
650-834 SSNFRNCSCO 5562 2001-09-21 Yes
650-835 SSNFRNCSCO 515J — Yes
650-836 PESCADERO 8826 2016-06-10 Yes
650-837 SSNFRNCSCO 9740 — Yes
650-838 PALO ALTO 9740 — —
650-839 REDWOOD CY 9740 — Yes
650-840 REDWOOD CY 649C 2026-08-21 Yes
650-841 MT VIEW 649C 2026-06-26 Yes
650-842 PALO ALTO 9740 — Yes
650-843 PALO ALTO 9740 — Yes
650-844 SAN MATEO 965H 2020-08-25 Yes
650-845 PALO ALTO 9740 — Yes
650-846 PALO ALTO 9740 — —
650-847 PALO ALTO 7229 — Yes
650-849 PALO ALTO 9740 — Yes
650-850 WOODSIDE 7240 — Yes
650-851 WOODSIDE 9740 — —
650-852 PALO ALTO 9740 — Yes
650-853 PALO ALTO 9740 — Yes
650-854 PALO ALTO 9740 — —
650-855 PALO ALTO 9740 — Yes
650-856 PALO ALTO 9740 — —
650-857 PALO ALTO 9740 — —
650-858 PALO ALTO 9740 — —
650-859 PALO ALTO 9740 — —
650-860 PESCADERO 8826 — Yes
650-861 MT VIEW 6529 2002-09-19 Yes
650-862 PALO ALTO 6010 — Yes
650-863 SAN MATEO 6010 — Yes
650-864 MT VIEW 9740 — Yes
650-865 SAN MATEO 6010 2016-10-28 Yes
650-866 SSNFRNCSCO 9740 — Yes
650-867 SAN MATEO 6010 — —
650-868 REDWOOD CY 6010 — —
650-869 SSNFRNCSCO 9740 — Yes
650-870 SSNFRNCSCO 981E — Yes
650-871 SSNFRNCSCO 9740 — —
650-872 SSNFRNCSCO 9740 — Yes
650-873 SSNFRNCSCO 9740 — —
650-874 SSNFRNCSCO 9740 — —
650-875 SSNFRNCSCO 9740 — —
650-876 SSNFRNCSCO 9740 — —
650-877 SSNFRNCSCO 9740 — Yes
650-878 SSNFRNCSCO 9740 — Yes
650-879 PESCADERO 9740 — Yes
650-880 MT VIEW 6010 2018-03-22 Yes
650-881 PESCADERO 7145 — Yes
650-882 PESCADERO 649C — Yes
650-885 PALO ALTO 8826 2017-06-27 Yes
650-887 LOS ALTOS 649C — Yes
650-888 SAN MATEO 6010 — —
650-889 HALFMOONBY 515J — Yes
650-892 SSNFRNCSCO 6010 — —
650-897 MOSS BEACH 8826 — Yes
650-898 PACIFICA 394L — Yes
650-899 LA HONDA 649C — Yes
650-900 LOS ALTOS 649C — Yes
650-903 MT VIEW 9740 — Yes
650-906 PALO ALTO 5562 — Yes
650-910 SSNFRNCSCO 649C 2021-04-23 Yes
650-911 XXXXXXXXXX MULT — —
650-912 HALFMOONBY 939H 2022-10-21 Yes
650-917 LOS ALTOS 9740 — —
650-918 SAN MATEO 7421 — Yes
650-919 MT VIEW 9740 — Yes
650-921 SAN MATEO 5562 2001-09-21 —
650-922 SSNFRNCSCO 6006 2001-03-01 Yes
650-924 PALO ALTO 5562 — Yes
650-926 PALO ALTO 9740 — —
650-930 MT VIEW 7229 — Yes
650-931 SAN MATEO 671J — Yes
650-932 MT VIEW 9740 — —
650-933 MT VIEW 9740 — Yes
650-934 MT VIEW 9740 — Yes
650-935 LOS ALTOS 7229 — Yes
650-937 MT VIEW 9740 — Yes
650-938 MT VIEW 9740 — Yes
650-939 PACIFICA 649C 2026-09-03 Yes
650-940 MT VIEW 9740 — Yes
650-941 LOS ALTOS 9740 — —
650-942 MILLBRAE 6006 2003-08-15 Yes
650-943 MT VIEW 9740 — Yes
650-944 MT VIEW 9740 — Yes
650-946 LOS ALTOS 394L — Yes
650-947 LOS ALTOS 9740 — Yes
650-948 LOS ALTOS 9740 — —
650-949 LOS ALTOS 9740 — —
650-950 — —
650-952 SSNFRNCSCO 9740 — —

These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.