3-digit ZIP code prefixes

The first digit of a ZIP code is a group of states. The first three digits point to a sectional center facility, the USPS plant that sorts mail for that area. Pick a prefix to see every ZIP code in it.

ZIP codes starting with 0

New England, New Jersey, Puerto Rico, Virgin Islands, military (Europe)

ZIP codes starting with 1

New York, Pennsylvania, Delaware

ZIP codes starting with 2

DC, Maryland, Virginia, West Virginia, the Carolinas

ZIP codes starting with 3

Alabama, Florida, Georgia, Mississippi, Tennessee, military (Americas)

ZIP codes starting with 4

Indiana, Kentucky, Michigan, Ohio

ZIP codes starting with 5

Iowa, Minnesota, Montana, the Dakotas, Wisconsin

ZIP codes starting with 6

Illinois, Kansas, Missouri, Nebraska

ZIP codes starting with 7

Arkansas, Louisiana, Oklahoma, Texas

ZIP codes starting with 8

Arizona, Colorado, Idaho, New Mexico, Nevada, Utah, Wyoming

ZIP codes starting with 9

Alaska, California, Hawaii, Oregon, Washington, Pacific territories, military (Pacific)