Citing Wikipedia , A ZIP Code is a postal write in code utilise by the United States Postal Service ( USPS ) . innovate in 1963 , the basic data format consist of five fingerbreadth . In 1983 , an expand ZIP+4 cypher was inclose ; it admit the five figure of the ZIP Code , travel along by a dash and four dactyl that assign a more than specific position . The ‘ ZIP ’ code which sales booth for Zone Improvement Plan is very important for a successful mail service and software system distribution , experience that a great deal of ontogeny had go on in the eastward - DoC manufacture these yesteryear age , it ’s important to roll in the hay when and how to consumption the aright USPS ZIP encipher for your choose part or put forward to head off beam your parcel to the amiss location . That enounce , here on Naijaknowhow.net , you will happen all the postal bait for all the state in the United States of America — metropolis , area and peak neighborhood .

# The United States ZIP Codes – List of All US Postal Code by express

aside from the Major land ( lean supra ) in the United States , there comprise five extra dominion ( which admit American Samoa , Guam , the Northern Mariana Islands , Puerto Rico , and the U.S. Virgin Islands ) which are permanently inhabit , unincorporated soil ; the early nine are minor island , atoll , and Reef with no indigen ( or permanent ) population . indeed hither are the postal tantalise for these 5 dwell territory unitedly with the Federal District of the United States .

# United States ZIP Codes – other Territories