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The County Office / Post Office / California / Alameda County / Union / Union City Post Office

Union City Post Office in Union, CA

  • Union City Post Office
  • 33170 Alvarado-Niles Road, Union, CA 94587
  • 510-471-1180
  • Mon: 9:00 AM - 5:00 PM
    Tue: 9:00 AM - 5:00 PM
    Wed: 9:00 AM - 5:00 PM
    Thu: 9:00 AM - 5:00 PM
    Fri: 9:00 AM - 5:00 PM
    Sat: 9:00 AM - 12:30 PM
    Sun: Closed

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