The United States military base at Guantanamo (44 sq miles) houses 700 United States military personnel. 413 are stationed in Honduras and 147 are stationed in Canada.
As of January 2014, there are 35 APOs in the Americas.
Armed Forces - Americas Postal Codes: What Is The Zip Code For ...?
34002 APO 0 34006 APO 0 34007 APO 0 34008 APO 0 34010 APO 0 34019 APO 0 34020 APO 0 34021 APO 0 34022 APO 0 34023 APO 0 34024 APO 0 34025 APO 0 34030 APO 0 34031 APO 0 34032 APO 0 34033 APO 0 34034 APO 0 34035 APO 0 34036 APO 0 34037 APO 0 34038 APO 0 34039 APO 0 34041 APO 0 34042 APO 0 34043 APO 0 34071 APO 0 34076 APO 0 34078 APO 0 34079 APO 0 34095 APO 0 34050 FPO 0 34055 FPO 0 34058 FPO 0 34071 FPO 0 34079 FPO 0 34090 FPO 0 34091 FPO 0 34092 FPO 0 34093 FPO 0 34095 FPO 0 34098 FPO 0 34099 FPO 0