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Using Sandboxx To Send Letters
Issues with my Sandboxx Letter
Why is the street number or PO box number different?
Why is the street number or PO box number different?
Janelle avatar
Written by Janelle
Updated over a week ago

For letters sent to MCRD Parris Island and San Diego through Sandboxx, the street number or PO box number may be different than what your recruit sends home. The box number or street address will not impact the delivery of your letters. Sandboxx letters are pre-sorted ahead of shipment by the battalion, company, and platoon information. 

You might get an official letter from your recruit’s Drill Instructor or see that your recruit wrote down a different street or PO box number on their return address than the one in their profile. Don’t worry - as long as you have the correct battalion, company, and platoon information, your recruit will receive their letters.

You can find the correct street numbers and PO boxes using the below links:

If you find your recruit’s profile needs to be updated, just shoot us a message - we’d be glad to help. 

For handwritten letters, that are not sent through Sandboxx, you can use the box or street number provided by your recruit.

If you have questions about your recruit's address, just message us at

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