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 55–72 of 127 listings for this prefix.

Community notes Landline

(650) 421-3257

San Jose, California

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

(650) 421-3277

San Jose, California

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

(650) 421-3297

San Jose, California

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

(650) 421-3317

San Jose, California

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

(650) 421-3337

San Jose, California

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

(650) 421-3357

San Jose, California

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

(650) 421-3377

San Jose, California

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

(650) 421-3397

San Jose, California

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

(650) 421-3417

San Jose, California

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

(650) 421-3437

San Jose, California

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

(650) 421-3457

San Jose, California

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

(650) 421-3477

San Jose, California

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

(650) 421-3497

San Jose, California

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

(650) 421-3517

San Jose, California

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

(650) 421-3537

San Jose, California

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

(650) 421-3557

San Jose, California

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

(650) 421-3577

San Jose, California

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

(650) 421-3597

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.