Mailing Letters to Deployed Service Members

By Sales Discount Stamps | Published May 15, 2026 | 5 min read

Letters can provide a tangible way for families to stay in touch with a deployed service member, alongside available phone, email, and video communication.

Review-data note: The 1,092-unique-review dataset contained one review that explicitly connected a larger stamp quantity with writing to a deployed family member. It is included as a use-case example, not presented as a broader trend.

Postage Rules for Military Mail

Mail addressed to APO, FPO, or DPO addresses is handled within the domestic mail system when it uses the assigned military address format. A standard one-ounce letter that otherwise qualifies for the stamped-letter rate uses one Forever stamp, currently valued at $0.82.

Tips for Mailing to Deployed Service Members

  • Use the complete military address including the recipient, unit or PSC details, APO/FPO/DPO designation, AA/AE/AP code, and ZIP Code.
  • Do not add the foreign city or country to an APO/FPO/DPO address.
  • Check customs requirements for parcels because requirements vary by contents, weight, destination, and current military-mail rules.
  • Allow extra time. Transit varies by destination, service, transportation, security conditions, and operational restrictions.

Stamps for Letters That Matter

A familiar design can keep the envelope simple and recognizable; compare available flag stamps before choosing a format.

Write often. Forever stamps at discount prices make it affordable.

Shop Stamps

Frequently Asked Questions

How long does mail take to reach a deployed service member?

There is no single reliable delivery window for every military address. Timing varies by destination, service, transportation, security conditions, and operational restrictions, so mail early and use the current guidance for the assigned address.

Can I send care packages using stamps?

Letters and parcels follow different standards. Whether a parcel needs a customs form depends on its contents, weight, destination, and current rules. Check the restrictions for the assigned military ZIP Code before mailing.

Should I include my return address on letters to deployed personnel?

Yes. Use a complete return address. It provides an address for return handling when the item can be returned, but it does not guarantee delivery or return.

Sources and Scope

  • U.S. Postal Service — Publication 28, Postal Addressing Standards — Section 225, Military Addresses.
  • U.S. Postal Service — Publication 640 — Military Mail FAQ.
  • U.S. Postal Service — Domestic Mail Manual — Section 703.2, Overseas Military and Diplomatic Post Office Mail.

Military-mail addressing, customs, restrictions, and transit conditions can change. Confirm the current requirements for the assigned APO, FPO, or DPO address before mailing.