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4th of July Base Mailroom Closures

With the Fourth of July weekend upon us, we’ve got your base mailroom closures for …

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With the Fourth of July weekend upon us, we’ve got your base mailroom closures for you. Below you will find the dates that the mailrooms are closed for each base as well as Sandboxx Headquarter’s holiday printing schedule.

Please keep in mind, the dates below are subject to change depending on the needs of the Command.

If you have any questions or concerns, please reach out to our Customer Happiness team

Sandboxx Headquarters

Our office will be closed from 12-5pm ET on Monday, July 3 and all day on Tuesday, July 4, 2023. Normal operation will resume on Wednesday, July 5, 2023.

Army Basic Training

Army basic training bases are closed Monday, July 3 – Tuesday, July 4, 2023.

If you are sending letters to an Army basic training mailroom, the last day to send your letter before the holiday weekend is Thursday, June 29 at 4:30 pm ET.

Letters sent between Thursday, June 29 at 4:30 ET to Monday, July 3 at 12pm ET won’t be delivered until Wednesday, July 5. Letters sent after 12pm ET on Monday, July 3 won’t be delivered until Thursday, July 6.

Marine Corps Basic Training

Marine Corps bases are closed Monday, July 3 – Tuesday, July 4, 2023.

If you are sending letters to a Marine Corps mailroom, the last day to send your letter before the holiday weekend is Thursday, June 29 at 4:30 pm ET.

Letters sent between Thursday, June 29 at 4:30 ET to Monday, July 3 at 12pm ET won’t be delivered until Wednesday, July 5. Letters sent after 12pm ET on Monday, July 3 won’t be delivered until Thursday, July 6.

Navy Basic Training

Navy basic training bases are closed Tuesday, July 4, 2023.

If you are sending letters to a Navy mailroom, the last day to send your letter before the holiday weekend is Friday, June 30 at 4:30 pm ET.

Letters sent between Friday, June 30 at 4:30pm ET to Monday, July 3 at 12pm ET won’t be delivered until Wednesday, July 5. Letters sent after 12pm ET on Monday, July 3 won’t be delivered until Thursday, July 6.

Air Force and Space Force Basic Training

Air Force and Space Force basic training bases are closed Tuesday, July 4, 2023.

If you are sending letters to an Air Force and Space Force mailroom, the last day to send your letter before the holiday weekend is Friday, June 30 at 4:30 pm ET.

Letters sent between Friday, June 30 at 4:30pm ET to Monday, July 3 at 12pm ET won’t be delivered until Wednesday, July 5. Letters sent after 12pm ET on Monday, July 3 won’t be delivered until Thursday, July 6.

Coast Guard Basic Training

Coast Guard basic training bases are closed Tuesday, July 4, 2023.

If you are sending letters to a Coast Guard mailroom, the last day to send your letter before the holiday weekend is Friday, June 30 at 4:30 pm ET.

Letters sent between Friday, June 30 at 4:30pm ET to Monday, July 3 at 12pm ET won’t be delivered until Wednesday, July 5. Letters sent after 12pm ET on Monday, July 3 won’t be delivered until Thursday, July 6.

Jeremiah Runser