The letter arrived on a Tuesday, bearing a postmark for a town that didn't exist on any GPS. The zip code—059673—was typed in a font that looked like it had been hammered out on a 1940s Underwood.
: Codes like 96273 are used for overseas military bases, such as Camp Lemonnier in Djibouti. 059673 zip
: Some unique zip codes are reserved for high-volume locations, like 60673 in Chicago. The letter arrived on a Tuesday, bearing a