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 1–18 of 153 listings for this prefix.

Community notes Landline

(650) 399-2302

San Francisco, California

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

(650) 399-2322

San Francisco, California

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

(650) 399-2342

San Francisco, California

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

(650) 399-2362

San Francisco, California

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

(650) 399-2382

San Francisco, California

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

(650) 399-2402

San Francisco, California

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

(650) 399-2422

San Francisco, California

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

(650) 399-2442

San Francisco, California

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

(650) 399-2462

San Francisco, California

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

(650) 399-2482

San Francisco, California

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

(650) 399-2502

San Francisco, California

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

(650) 399-2522

San Francisco, California

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

(650) 399-2542

San Francisco, California

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

(650) 399-2562

San Francisco, California

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

(650) 399-2582

San Francisco, California

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

(650) 399-2602

San Francisco, California

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

(650) 399-2622

San Francisco, California

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

(650) 399-2642

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.