Random ZIP Code Generator

Real US ZIP codes with their city, county and state. Pick a state or leave it on Any, make up to 50 at once, then copy them or download a CSV.

33,642 real ZIP codes in 50 states + DC · up to 50 at once · no repeats in a batch

  • 10001New York, NY
  • 90001Los Angeles, CA
  • 77002Houston, TX
  • 60601Chicago, IL
  • 33101Miami, FL

Examples above · press Generate for a fresh random batch.

In short

A random ZIP code generator picks real five-digit US ZIP codes at random. This one draws from 33,642 residential ZIPs on the Census Bureau's ZCTA list, shows the city, county and state for each, filters by state and exports up to 50 at a time as CSV. No signup.

How to use the random ZIP code generator

  1. Choose a state, or keep Any state for a nationwide mix.
  2. Choose how many: 1 for a single ZIP in big type, or 5, 10, 25 or 50 for a list.
  3. Press Generate. No ZIP repeats within a batch. Tick Sort by ZIP to order the list.
  4. Copy or download. Copy just the ZIPs, copy them with city and state, or download a CSV. Copy link saves your state and count settings.

ZIP codes by state

How many residential ZIP codes each state has, its lowest and highest ZIP, and the city with the most ZIP codes. Pick a state in the generator above to draw from that state only.

StateZIPsRangeExample
Alabama65635004–3692535203 Birmingham
Alaska24599501–9992999501 Anchorage
Arizona41785003–8655685003 Phoenix
Arkansas61571601–7295972201 Little Rock
California1,80290001–9616190001 Los Angeles
Colorado52780002–8165780202 Denver
Connecticut28806001–0690706510 New Haven
Delaware6819701–1998019801 Wilmington
District of Columbia5720001–2059120001 Washington
Florida1,01332003–3499733101 Miami
Georgia75130002–3989730303 Atlanta
Hawaii9796701–9686396813 Honolulu
Idaho27983201–8387683702 Boise
Illinois1,39660002–6299960601 Chicago
Indiana80746001–4799746201 Indianapolis
Iowa97050001–5280750309 Des Moines
Kansas70466002–6795467202 Wichita
Kentucky78040003–4278840202 Louisville
Louisiana53970001–7149770112 New Orleans
Maine42603901–0499204101 Portland
Maryland47720601–2193021201 Baltimore
Massachusetts53901001–0279102108 Boston
Michigan99248001–4997148201 Detroit
Minnesota88155001–5676355401 Minneapolis
Mississippi42738601–3977639201 Jackson
Missouri1,03563005–6589764101 Kansas City
Montana36959001–5993759801 Missoula
Nebraska58668001–6936768102 Omaha
Nevada18189001–8988389101 Las Vegas
New Hampshire24703031–0389703101 Manchester
New Jersey59807001–0890408608 Trenton
New Mexico37187001–8843987101 Albuquerque
New York1,82606390–1490510001 New York
North Carolina85327006–2890928202 Charlotte
North Dakota38858001–5885658501 Bismarck
Ohio1,23343001–4589945202 Cincinnati
Oklahoma66473001–7496673102 Oklahoma City
Oregon42897001–9792097201 Portland
Pennsylvania1,83315001–1961119102 Philadelphia
Rhode Island8102802–0292102903 Providence
South Carolina42429001–2994529201 Columbia
South Dakota37557001–5779957103 Sioux Falls
Tennessee63637010–3858938103 Memphis
Texas1,99073960–7993877002 Houston
Utah29884001–8479084101 Salt Lake City
Vermont26505001–0590705401 Burlington
Virginia90320105–2465723173 Richmond
Washington60598001–9940398101 Seattle
West Virginia73824701–2688625301 Charleston
Wisconsin78353001–5498653202 Milwaukee
Wyoming17982001–8341482601 Casper

What the five digits mean

  • First digit — a group of states, from 0 in the Northeast to 9 on the West Coast, Alaska and Hawaii.
  • First three digits — the sectional center facility, the mail-sorting hub for an area (606 is Chicago, 900 is Los Angeles).
  • Last two digits — the delivery area or post office inside that hub's region.
  • ZIP+4 — the optional four extra digits (10001-1234) narrow it to a block or building. This tool gives the standard five-digit ZIP.

Who uses random ZIP codes?

  • Developers and QA testers filling sign-up, checkout and shipping forms with ZIPs that pass validation, then importing the CSV as test data.
  • Data and marketing teams picking random ZIPs for survey samples, territory tests or demo dashboards.
  • Teachers running geography lessons: draw a ZIP, find the city on a map, guess the region from the first digit.
  • Writers and game masters giving a character a real hometown. For a full address with a street, try the fake address generator; for a state alone, the random state generator.

How it compares

FeatureThis generatorTypical ZIP generators
Every ZIP checked against the Census ZCTA listYesRandom digits or old lists
City, state and county with each ZIPYesZIP only or city only
Filter by stateAll 50 + DCSometimes
ZIPs per clickUp to 501–10
CSV downloadYes, freeRare or paid
Signup or ads before resultsNoneCommon

Where the data comes from

ZIP codes come from the US Census Bureau's 2023 ZCTA Gazetteer. City and county names come from the GeoNames postal-code database (CC BY 4.0). A ZIP is kept only when it is in both, so every result is a real, populated ZIP code area. Puerto Rico and other territories are not included yet.

Frequently asked questions

Are these real ZIP codes?

Yes. Every ZIP the generator shows is on the US Census Bureau's 2023 ZIP Code Tabulation Area (ZCTA) list and in the GeoNames postal-code database, which gives its city and county. That is 33,642 residential ZIP codes across the 50 states and Washington, DC. PO-box-only and single-company ZIPs are left out because no one lives in them.

Can I get a random ZIP code for a specific state?

Pick the state in the State menu. The hint under the button shows how many ZIPs that state has and its lowest and highest ZIP, and each batch only uses that state's codes. Leave it on Any state for a nationwide mix weighted by how many ZIPs each state has, so a batch of 50 looks like the real country.

How do I download a list of random ZIP codes?

Choose 25 or 50 in How many, press Generate, then Download CSV. The file has zip, city, state, state_name and county columns and keeps leading zeros (02108, not 2108) as long as you import the zip column as text. Copy ZIPs puts just the five-digit codes on your clipboard, one per line.

Why do some ZIP codes start with 0?

ZIP codes run roughly east to west. New England and New Jersey start with 0, New York and Pennsylvania with 1, and the West Coast, Alaska and Hawaii with 9. A 0 at the front is part of the code, so store ZIPs as text, not numbers, or spreadsheets will drop it.

Can I use a random ZIP code to test a form or an app?

Yes — that is the most common use. Real ZIPs pass validation that rejects made-up ones like 00000 or 12345, and the matching city and state let you test autofill, shipping-rate and sales-tax rules. For a whole made-up address with a street, use the fake address generator.

Is a ZIP code the same as a ZCTA?

Almost. USPS ZIP codes are mail routes; the Census Bureau builds ZCTAs from them so it can map population. Nearly every residential ZIP has a matching ZCTA with the same five digits, which is why this generator uses the ZCTA list to make sure each ZIP is a real place where people live.

Related tools: Fake address generator · Random state generator · Fake name generator · Fake identity generator · Random number generator · Country name generator

Updated:

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