Alvarado Post Office 94587

This page provides details for the Alvarado post office located at 3861 Smith St Union City California 94587. Below you will find the post office phone number, hours of operations, what services they provide and other useful information to help you determine if this is the post office location you are looking for. The people working at this location should be able to assist you with things like changing your mailing address, assist in helping you file a claim for missing mail and sell office supplies like stamps, money orders and if available, PO boxes. If you plan to visit this Union City post office in California, then we recommend you contact them first to verify their address and the services they provide, as this may have changed.

Alvarado Post Office On-Site Services

  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Global Express Guaranteed®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • PO Box Online
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail International®
  • Sure Money
  • Post Office Location

  • 3861 Smith St
    Union City, CA 94587

    Street Parking Available
  • Post Office Phone Numbers

  • You can call the Union City post office location at 510-471-1180 (TTY: 877-889-2457). You can fax them at 510-471-0306.

  • Update Post Office

  • If the details for this Alvarado post office is incorrect, please click here to submit the updated information.