Home / Area 650 / Prefix 278
Prefix Lookup

(650) 278 Phone Number Lookup

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

152number 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 152 listings for this prefix.

Recent activity Wireless

(650) 278-9561

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9581

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9601

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9621

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9641

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9661

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9681

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9701

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9721

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9741

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9761

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9781

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9801

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9821

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9841

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9861

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9881

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing
Recent activity Wireless

(650) 278-9901

Oakland, California

  • Carrier: T-mobile Usa Inc.
  • Exchange: 650-278
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 650 prefix 278 is organized as a reverse lookup section for Oakland, California. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 650-278, while each listing still maps back to the correct area code and prefix structure.