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← Area code 650

650-423 phone numbers

Numbers 650-423-0000 to 650-423-9999 are assigned to Utility Telecom Group, LLC (rate centre REDWOOD CY, CA, NANPA abbreviation).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 650-423

  1. 1 (650) 423-4920 10complaints
  2. 2 (650) 423-0345 2complaints
  3. 3 (650) 423-1035 1complaints
  4. 4 (650) 423-1710 1complaints
  5. 5 (650) 423-4290 1complaints
  6. 6 (650) 423-7890 1complaints
  7. 7 (650) 423-8535 1complaints
  8. 8 (650) 423-9135 1complaints