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Military ZIP Codes: Mail Across Oceans

APO, FPO, and DPO codes bring mail to troops stationed around the world. Here's how military mail works.

## The Military Mail System

When American service members deploy overseas, they don't use local postal systems. Instead, the USPS operates a parallel military mail network using special ZIP codes, city names, and state codes.

## Military Address Components

| Component | Meaning |
|-----------|--------|
| APO | Army Post Office (Army and Air Force) |
| FPO | Fleet Post Office (Navy, Marines, Coast Guard) |
| DPO | Diplomatic Post Office (embassies, consulates) |
| AE | Armed Forces Europe/Middle East/Africa |
| AP | Armed Forces Pacific |
| AA | Armed Forces Americas (except Canada) |

## ZIP Code Ranges

| Range | Region |
|-------|--------|
| 09000-09999 | AE (Europe, Middle East, Africa) |
| 96200-96698 | AP (Pacific, Asia) |
| 34000-34099 | AA (Americas, Caribbean) |

## How Military Mail Works

The journey of a letter to a deployed soldier:

1. **Sender** mails letter with APO/FPO address and ZIP
2. **Local post office** routes it like domestic mail (same postage rates)
3. **Military Mail Terminal** (usually a major hub like JFK or Chicago O'Hare)
4. **Military airlift** to the overseas theater
5. **In-theater distribution** to bases, ships, or forward operating locations

## Domestic Postage Rates

A crucial benefit: mail to APO/FPO/DPO addresses uses **domestic postage rates**, not international rates. A letter to a soldier in Germany costs the same as a letter to a neighbor across the street.

This was a deliberate policy decision to ensure service members and their families can communicate affordably.

## Holiday Mail

The USPS publishes annual holiday mailing deadlines for military addresses:

| Service | APO/FPO/DPO Deadline |
|---------|---------------------|
| Priority Mail Express | Dec 18 |
| Priority Mail | Dec 9 |
| First-Class Mail | Dec 9 |
| Parcel Post | Nov 6 |

*Dates are approximate and vary by destination.*

## Care Package Tips

Sending packages to APO/FPO:

- Use USPS flat-rate boxes for best value
- Customs forms required (PS Form 2976 or 2976-A)
- No alcohol, tobacco, or prohibited items
- Mark "MRE" for meals ready to eat (customs exemption)

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