Pioneer Post Office

24282 State Highway 88, Pioneer, CA 95666

Contact Numbers

Phone: 209-295-7490
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 4:15pm
Tuesday 4:15pm
Wednesday 4:15pm
Thursday 4:15pm
Friday 4:15pm
Saturday 1:30pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

We provide you with the contact details of the Pioneer Post Office, including its address, phone number and retail hours. This way, you will be able to ask for assistance with USPS shipping and mail services, either by phone or in person.

If you visit the Pioneer Post Office, please tell us about your experience. It can be helpful to others looking for USPS customer service.

Don't forget to take a look at our FAQ section. It may help you clarify some doubts before contacting your local post office.

Services offered at this location:

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Frequently Ask Questions at Pioneer Post Office

  • Where can I find my USPS tracking number?

    You can find your tracking number on your sales receipt, self-service kiosk eReceipt, mailing receipt, online label record or below the barcode placed on the mailed item.

  • What if I lose my tracking number?

    Local Post Offices do not have a way to recover a lost tracking number. If the recipient is a current Informed Delivery subscriber, they will be able to see the tracking number on their dashboard.

  • How long will USPS forward mail?

    If your move is temporary, USPS can forward your mail from your old address to a new one for 15 days to one year.

  • How to request USP hold mail?

    Sing in to your USPS account and check if hold mail service is available for your address. If it is, choose the dates for your hold mail request. Remember that it must be for a minimum of 3 days and a maximum of 30 days. If you need USPS mail hold for more than 30 days, you must sign up for forwarding service. For permanent move, you must change your address with the USPS.

  • How to request a USPS address change?

    You can request a USPS change of address online or by filling out the PS Form 3575 acquired from your local Post Office. Please note that when your request is made online there is a $1.05 identity validation fee.

  • Search other Post Offices in Amador

    You have other Post Offices in Amador

    Volcano Post Office

    16120 Main St

    2092967043 More info

    Sutter Creek Post Office

    3 Gopher Flat Rd

    2092670128 More info

    Plymouth Post Office

    9477 Main St

    2092453472 More info

    Pine Grove Post Office

    20116 State Highway 88

    2092965831 More info

    Martell Post Office

    11020 N State Highway 49

    2092237720 More info

    Jackson Post Office

    424 Sutter St

    2092237720 More info

    Ione Post Office

    22 Main St

    2092746478 More info

    Fiddletown Post Office

    14283 Jibboom St

    2092454168 More info

    Diamond Springs Post Office

    4946 Pleasant Valley Rd

    5306225184 More info

    Amador City Post Office

    10781 Water St

    2092675476 More info

    Search Post Offices in California

    Leave a Comment