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)