Home / Area 650 / Prefix 421
Prefix Lookup

(650) 421 Phone Number Lookup

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

127number listings
0caller reports
8lookup 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 127 listings for this prefix.

Community notes Landline

(650) 421-2537

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2557

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2577

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2597

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2617

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2637

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2657

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2677

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2697

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2717

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2737

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2757

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2777

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2797

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2817

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2837

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2857

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(650) 421-2877

San Jose, California

  • Carrier: U.s. Telepacific Corp. - Ca
  • Exchange: 650-421
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 650 prefix 421 is organized as a reverse lookup section for San Jose, California. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 650-421, while each listing still maps back to the correct area code and prefix structure.