Current Clients

Submit New Mailing Instructions

Add to Postage Balance

Includes 2.9% processing fee

Deposit $25

Deposit $50

Deposit $100

Contact General Manager

Modify Membership

Current clients can click here to extend their subscription without paying sign up fees or adding postage.

Complete this form to join our Digital Mail wait list. We are adding new Digital Mail staff and should have more capacity starting September 1st.

Cancel your membership by calling into the office: 1-800-419-1690

 There are 2 steps you must complete before we can assign your PMB box number.


1. Submit 2 forms of ID for each person claiming the address 

Submit Online

Or fax / email photos of your ID’s to:
866-274-0490 / [email protected]

Valid forms of ID includeDriver’s License, Military ID, Passport, Voter / Vehicle registration card, Vehicle Insurance card, Government or University ID card.
These forms of ID are NOT allowedSocial Security card, Credit Card, Birth Certificate
– You must include a photo of the entire ID

2. New Account Paperwork

Submit Online

If 2nd applicant has different last name: Complete this with their info
Video walk-through: View Here
Online paperwork includes detailed instructions. Submitting online is fast, easy, and secure.

Print Forms & Fax / Email: Download Here
Printing and faxing / emailing forms instead of completing them online will increase processing time. If you print the forms instead of filling online, you will have to get them notarized

After Steps 1 & 2 are completed, we will review and approve your paperwork.
This can take up to 7 business days, but is typically done faster. Our new client team member will contact you with your PMB number and full address.

 – STOP –

Do not proceed until you have completed steps 1 & 2 and have been assigned your PMB number. We will process your paperwork and contact you with your PMB number South Dakota address within 8 days. Questions? – [email protected]

Once you have received the address from our team member, complete the last step of registration by filling out the following form 


  1. Change of Address with USPS

    Fill this out with USPS using your new YBA address. This is necessary for SD residency & vehicle registration.

Optional Services

These forms can be filled once you have your PMB number and have updated your YBA address with USPS

South Dakota Vehicle Registration

Complete Forms Online
Video Walk-through: View Here
Online Forms include detailed instructions. Easy to fill, fastest processing.

Print Forms & Fax / Email: Download Here
Printing and faxing / emailing forms will increase processing time.  

Completing these forms is required before your meeting with our vehicle specialist Erin. Please note that vehicle registration assistance typically carries a $150 fee per vehicle. FMCA members get the first fee waived and 4 or more vehicles will include a discount.

II. Schedule An Appointment Online
Appointment checklist: click here to view 



Digital Mail Add-On
Video tutorial of the digital mail portal – (coming soon)

Digital Mailboxes are created by our team along with your PMB box within 7 business days of you completing steps 1 & 2 above. A team member will contact you with your account details.

 If you did not sign up for digital mail, you can add it your traditional mail plan anytime by clicking here

 That’s All! Please do your best to complete steps 1 & 2. If you still have questions, give us a call anytime!

Your Best Address

Fax: 866-274-0490
Office: 605-334-5313
401 East 8th St, Suite 214
Sioux Falls, SD 57103