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 37–54 of 127 listings for this prefix.

Community notes Landline

(650) 421-2897

San Jose, California

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

(650) 421-2917

San Jose, California

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

(650) 421-2937

San Jose, California

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

(650) 421-2957

San Jose, California

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

(650) 421-2977

San Jose, California

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

(650) 421-2997

San Jose, California

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

(650) 421-3017

San Jose, California

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

(650) 421-3037

San Jose, California

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

(650) 421-3057

San Jose, California

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

(650) 421-3077

San Jose, California

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

(650) 421-3097

San Jose, California

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

(650) 421-3117

San Jose, California

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

(650) 421-3137

San Jose, California

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

(650) 421-3157

San Jose, California

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

(650) 421-3177

San Jose, California

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

(650) 421-3197

San Jose, California

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

(650) 421-3217

San Jose, California

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

(650) 421-3237

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.