Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
C:\FUNZONE\HALLFAME.HTM

The ZIP Code Fun Zone

41,711 ZIP codes, and some of them are much more interesting than others. Everything below is worked out from the full list, so every list is complete. Want one at random? Spin the ZIP roulette.

The extremes

Lowest

00501

Holtsville, NY

Highest

99950

Ketchikan, AK

Northernmost

99723

Barrow, AK — 71.26°N

Southernmost

96799

Pago Pago, AS — 14.32°S

Easternmost

00824

Christiansted, VI — 64.68°W

Westernmost

96940

Palau, PW — 134.36°E, past the date line

Biggest

99557

Aniak, AK — 13,680 sq mi of land, more than the whole state of Maryland

Smallest

38503

Cookeville, TN — 0.6 acres

Farthest north, any kind

09704

A military mail code at 76.53°N, in Greenland

Farthest south, any kind

96598

A military mail code at 90.00°S — the South Pole

Famous ZIP codes

ZIPWhereWhy it is famous
90210 Beverly Hills, CA The most famous ZIP code on television, thanks to Beverly Hills, 90210 (1990–2000).
20500 Washington, DC The White House, 1600 Pennsylvania Avenue.
20252 Washington, DC Smokey Bear’s own ZIP code, given to him in 1964 because of the sheer volume of his fan mail.
12345 Schenectady, NY General Electric in Schenectady, New York, which has had the easiest ZIP code in America to itself.
00501 Holtsville, NY The lowest ZIP code in the country, and it belongs to the IRS.
99705 North Pole, AK North Pole, Alaska, where letters to Santa get their postmark.
47579 Santa Claus, IN Santa Claus, Indiana — the other place Santa’s mail goes.
77058 Houston, TX Houston’s Clear Lake area, home of NASA’s Johnson Space Center and Mission Control.
07734 Keansburg, NJ Keansburg, New Jersey. Type it into a calculator and turn it over: hELLO.

Words on an upside-down calculator

Type the ZIP code into a pocket calculator, turn it over, and read. These 34 spell actual words.

ZIPReadsWhere
00791 IGLOO Humacao, PR
07734 hELLO Keansburg, NJ
31908 BOGIE Columbus, GA
32008 BOOZE Branford, FL
32135 SEIZE Palm Coast, FL
35006 gOOSE Adger, AL
35007 LOOSE Alabaster, AL
37818 BIBLE Mosheim, TN
38076 gLOBE Williston, TN
38079 GLOBE Tiptonville, TN
50208 BOZOS Newton, IA
50607 LOgOS Aurora, IA
53045 ShOES Brookfield, WI
53075 SLOES Random Lake, WI
53080 OBOES Saukville, WI
53215 SIZES Milwaukee, WI
53504 hOSES Argyle, WI
53507 LOSES Barneveld, WI
53704 hOLES Madison, WI
53705 SOLES Madison, WI
53790 OGLES Madison, WI
53807 LOBES Cuba City, WI
55076 gLOSS Inver Grove Heights, MN
55079 GLOSS Stacy, MN
55378 BLESS Savage, MN
57105 SOILS Sioux Falls, SD
57108 BOILS Sioux Falls, SD
57714 hILLS Allen, SD
57716 gILLS Batesland, SD
57718 BILLS Black Hawk, SD
57719 GILLS Box Elder, SD
57735 SELLS Edgemont, SD
57738 BELLS Fairburn, SD
77345 ShELL Kingwood, TX

Five of a kind

ZIP codes that are one digit, five times. Only 1 exist.

Straights

Digits that climb or fall one step at a time.

All 412 palindromes

ZIP codes that read the same forwards and backwards.

Prime ZIP codes

3,947 ZIP codes are prime numbers — divisible only by 1 and themselves. Every ZIP code page says whether it is one, and if not, what it is made of.

🎯 Now play ZIP Hunt 🎲 Random ZIP code