156603 Zip 〈AUTHENTIC ✦〉

While "156603" may look like a standard U.S. ZIP code, it actually represents a mysterious "ghost" in the postal system. In the United States, ZIP codes are five digits long; "156603" is a , making it an invalid code for standard mail delivery within the U.S..

Imagine a letter addressed to a resident of . In the world of the U.S. Postal Service , this letter is a traveler without a destination. 156603 zip

In a way, is the ultimate secret address: a location that everyone can type, but no one can ever visit. ZIP Code™ Lookup | USPS While "156603" may look like a standard U