Home / Area 650 / Prefix 399
Prefix Lookup

(650) 399 Phone Number Lookup

Research phone numbers under this exchange in San Francisco, California. Review carrier details, activity signals, and community caller feedback.

153number listings
0caller reports
9lookup pages

Phone Numbers in This Prefix

Browse numbers in this exchange and open any listing to view caller details, spam signals, and community feedback. Showing 19–36 of 153 listings for this prefix.

Community notes Landline

(650) 399-2662

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2682

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2702

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2722

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2742

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2762

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2782

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2802

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2822

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2842

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2862

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2882

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2902

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2922

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2942

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2962

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-2982

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 399-3002

San Francisco, California

  • Carrier: O1 Communications Inc. - Ca
  • Exchange: 650-399
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 650 prefix 399 is organized as a reverse lookup section for San Francisco, California. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 650-399, while each listing still maps back to the correct area code and prefix structure.