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Boundaries & areas 路 馃嚭馃嚫 United States

Postcode Areas of the United States map & data

The United States has 57 postcode areas in this layer, spread over 12 states. The most are in Maine (19), Nevada (15) and Massachusetts (5) - Maine alone holds 33% of them. The largest include Northeast Phoenix, Las Vegas and Northwest Las Vegas.

57areas
12states
43 KBlayer size
November 2026updated
A sample of postcode areas in United States. Open every one of them in the studio.

Postcode Areas by state

StateAreasShare
Maine1933%
Nevada1526%
Massachusetts58.8%
Pennsylvania47.0%
Arkansas35.3%
Virginia23.5%
Idaho23.5%
New Jersey23.5%
Maryland23.5%
Georgia11.8%
Arizona11.8%
Connecticut11.8%

Largest postcode areas in the United States

  1. Northeast PhoenixArizona · 1,957.3 km²
  2. Las VegasNevada · 1,204.9 km²
  3. Northwest Las VegasNevada · 387.1 km²
  4. Southwest Las VegasNevada · 370.1 km²
  5. Northeast Las VegasNevada · 275.5 km²
  6. Southeast Las VegasNevada · 181.3 km²
  7. 03905Maine · pop. 1660 · 162.5 km²
  8. Southwest HendersonNevada · 128.1 km²
  9. 04073Maine · 100.1 km²
  10. 04259Maine · 86.9 km²
  11. Southeast HendersonNevada · 83 km²
  12. Northeast HendersonNevada · 56.8 km²
  13. 04091Maine · pop. 860 · 55.4 km²
  14. 24430Virginia · 53.8 km²
  15. 04021Maine · 53.5 km²
  16. 04061Maine · pop. 3240 · 52.8 km²
  17. 04087Maine · 48.6 km²
  18. Northwest HendersonNevada · 48 km²
  19. 04030Maine · pop. 1930 · 46.6 km²
  20. 72204Arkansas · 39.9 km²
  21. 04024Maine · pop. 510 · 38.7 km²
  22. 04250Maine · pop. 4010 · 32.6 km²
  23. 04085Maine · pop. 1750 · 31.7 km²
  24. 04252Maine · pop. 4240 · 29.2 km²
  25. 04103Maine · 28.8 km²
  26. Northwest Carson CityNevada · 28.4 km²
  27. 08872New Jersey · 26.3 km²
  28. 04083Maine · pop. 4090 · 26.1 km²
  29. WoodlawnMaryland · 24.9 km²
  30. 72801Arkansas · 20.8 km²
  31. 02190Massachusetts · 19.7 km²
  32. 20634Maryland · 18.6 km²
  33. 04102Maine · 17 km²
  34. 04110Maine · pop. 1680 · 14.5 km²
  35. 04265Maine · pop. 780 · 14.3 km²
  36. 08859New Jersey · 12 km²
  37. 02189Massachusetts · 11.3 km²
  38. Northwest SparksNevada · 10.7 km²
  39. 02188Massachusetts · 9.9 km²
  40. 04101Maine · 7.4 km²

What's in this layer

Every postcode area in the layer comes with its name, outline (polygon), area in km², the region it belongs to and a source ID. Postal code and ZIP code boundary areas, where they are mapped.

Make a map of postcode areas in the United States

  1. Open the studio. No sign-up needed to start.
  2. Add the layer. Choose United States and Postcode Areas - 57 areas appear at once.
  3. Make it yours. Colours, icons, labels, clusters or a heat map; add your own pins, images and notes; measure distances and draw radius circles.
  4. Share it. Copy the link or embed it on your website - it looks great on phones too.

Open postcode areas in the studio

Frequently asked questions

How many postcode areas are there in the United States?

This layer holds 57 postcode areas in the United States, the most of them in Maine. The data is refreshed every 6 months; this release is from November 2026.

Can I download a list of postcode areas in the United States?

Yes. Own the layer ($5 once, or every United States layer with the $29 Country Pass) and export it from the studio as CSV, Shapefile, GeoJSON, KML, GPX, ArcGIS, QGIS, PNG or PDF.

Is it free to put postcode areas on my map?

Yes - every map can use 2 data layers free, and you can share or embed it. Layers you buy don't count toward that limit and work in every map you make.

What information comes with each postcode area?

The name, outline (polygon), area in km², the region it belongs to and a source ID.

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