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ZIP code map

Paste a list of ZIP codes and see them on the map as points, as a heat map or as shaded ZIP code areas. Codes that can’t be found are listed so you can fix them.

One per line. ZIP+4 codes work, and so do codes that lost their leading zero in Excel (2108 → 02108). Add a value after a comma or tab (“80203, 12”).

Excel, CSV or TXT: its rows are pasted into the box.

Example Downtown ZIP codes of big US cities, one without its leading zero and one that has no ZCTA. Paste your own list.

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Keep going with your ZIP codes

More tools for working with ZIP codes and places.

ZIP codes in a radiusEvery ZIP code within a radius of any point. Distance between ZIP codesThe distance between two ZIP codes, straight and by road. CSV to mapA spreadsheet with addresses or coordinates as points on the map.

Download

Your list is processed in your browser with Census data and isn’t sent to any server. Area boundaries are requested from the Census TIGERweb service by ZIP code.

How to use it

  1. Paste your list

    One ZIP code per line. You can copy a column from Excel or open the file. To weigh them differently, add a number after each code: customers, sales, visits.

  2. Check what wasn’t found

    Codes that lost their leading zero in Excel are fixed and flagged. Codes with no ZCTA (PO boxes, single buildings) are listed below the map with the reason.

  3. Pick a view

    Points (bigger the more they weigh), heat map (where they cluster) or areas (each ZIP code shaded). Download the map as a PNG or the list with place, county, coordinates and population as a CSV.

What people use it for

  • Customers by ZIP code

    Paste the ZIP codes from your orders or your CRM, with a count for each, and see where your customers cluster and where you’re missing.

  • Service and delivery areas

    The ZIP codes a store delivers to or a technician covers, shaded as areas for a website or a meeting.

  • Members and donors

    Where the members of a club, the donors of a charity or the students of a school live.

  • Marketing

    Check a mailing list or a campaign’s responses by ZIP code before you plan the next one.

Where the data comes from

ZIP codes are matched to the 33,642 ZIP Code Tabulation Areas (ZCTAs) of the U.S. Census Bureau, which approximate USPS ZIP code areas. Each ZCTA’s point is its interior point from the Census Gazetteer, and its population is the American Community Survey 2020–2024 five-year estimate.

Area boundaries come live from the Census TIGERweb service, simplified for the screen. Each ZCTA is named after the city, town or CDP and the county it overlaps the most.

On the heat map and the points, each ZIP code weighs the sum of its values; without values, the number of times it appears in the list. In area view, colors are five classes with roughly the same number of ZIP codes each.

Why some ZIP codes aren’t found

The Postal Service doesn’t publish ZIP code boundaries, so the Census builds ZCTAs from census blocks where people live. ZIP codes used only for PO boxes, a single large building or a company (like 20500, the White House) have no ZCTA and can’t be mapped.

Puerto Rico and the other territories aren’t included, like in the rest of Mapsfera’s US data.

Frequently asked questions

Excel removed the leading zero from my ZIP codes. Is that a problem?

No. Four-digit codes get their zero back (2108 becomes 02108) and are flagged so you can double-check them.

Do ZIP+4 codes work?

Yes. 80203-1234 is read as 80203. The extra four digits narrow it down to a block or a building, which ZCTAs don’t go down to.

What’s the number after each ZIP code?

An optional value that gives each ZIP code its weight: orders, customers, dollars. If a ZIP code appears more than once, the values add up. Without values, each line counts as one.

How many ZIP codes can I map?

Up to 5,000 lines. In area view, boundaries are drawn for the first 300 ZIP codes, because they’re requested live from the Census.

Is my list sent anywhere?

Your list is matched in your browser against Census data the page downloads like any other file. Only area view asks TIGERweb for the boundaries of your ZIP codes, by number.

Is a ZCTA the same as a ZIP code?

Almost. A ZCTA covers the census blocks where most addresses use that ZIP code, so the edges can differ a little from the Postal Service’s delivery routes.

Related tools

All tools
US county map Explore every US county on an interactive map colored by Census data such as population or income. County map with cities Pick a US county and see it on the map with all its cities and towns, ready to print or download. Printable map worksheets Print blank-map worksheets with questions and an answer key, ready as a PDF for class or home. Map quiz Learn states, countries and capitals by finding them on a blank map. No sign-up, with a class challenge link.

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