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 109–126 of 127 listings for this prefix.

Community notes Landline

(650) 421-4337

San Jose, California

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

(650) 421-4357

San Jose, California

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

(650) 421-4377

San Jose, California

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

(650) 421-4397

San Jose, California

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

(650) 421-4417

San Jose, California

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

(650) 421-4437

San Jose, California

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

(650) 421-4457

San Jose, California

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

(650) 421-4477

San Jose, California

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

(650) 421-4497

San Jose, California

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

(650) 421-4517

San Jose, California

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

(650) 421-4537

San Jose, California

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

(650) 421-4557

San Jose, California

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

(650) 421-4577

San Jose, California

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

(650) 421-4597

San Jose, California

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

(650) 421-4617

San Jose, California

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

(650) 421-4637

San Jose, California

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

(650) 421-4657

San Jose, California

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

(650) 421-4677

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.