Home / Area 650 / Prefix 503
Prefix Lookup

(650) 503 Phone Number Lookup

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

221number listings
0caller reports
13lookup 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 221 listings for this prefix.

Recent activity Landline

(650) 503-3646

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3666

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3686

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3706

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3726

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3746

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3766

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3786

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3806

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3826

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3846

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3866

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3886

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3906

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3926

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3946

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3966

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-3986

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 650 prefix 503 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 650-503, while each listing still maps back to the correct area code and prefix structure.