ZIP Code Radius Finder

Every ZIP Code within a distance of any ZIP Code, measured by its real boundaries, not just its center point.

85 FSAs within 10 miles of Windsor, ON N9A 7B3

Search area: within 10 miles FSA (bigger dot = more inside)
See the 85 FSAs

Spatial count: every FSA the circle touches, counted by how much of it is inside. Count by center point instead

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85 FSAs within 10 miles

Sorted by distance from N9A 7B3. Select a column heading to sort.

FSACityRegionProvinceMiles Distance from N9A 7B3 to each FSA's center point. A spatial count lists every FSA the circle touches, so one whose center is just outside the circle can still be listed.Inside How much of the FSA's area is inside the circle. "Point" ZIP Codes are PO Box or single-address ZIP Codes with no area of their own.
N9AWindsorON0.4All
48243DetroitWayneMI0.9All
48233DetroitWayneMI1.1Point
48226DetroitWayneMI1.1All
48255 UniqueDetroitWayneMI1.2Point
48260 UniqueDetroitWayneMI1.2Point
48264 UniqueDetroitWayneMI1.2Point
48265 UniqueDetroitWayneMI1.2Point
48266 UniqueDetroitWayneMI1.2Point
48267 UniqueDetroitWayneMI1.2Point
48268 UniqueDetroitWayneMI1.2Point
48269 UniqueDetroitWayneMI1.2Point
48272 UniqueDetroitWayneMI1.2Point
48275 UniqueDetroitWayneMI1.2Point
48277 UniqueDetroitWayneMI1.2Point
48278 UniqueDetroitWayneMI1.2Point
48279 UniqueDetroitWayneMI1.2Point
48231 PO BoxDetroitWayneMI1.3Point
48232 PO BoxDetroitWayneMI1.3Point
48244 PO BoxDetroitWayneMI1.3Point
N9BWindsorON1.7All
N8XWindsorON1.9All
48222 UniqueDetroitWayneMI2.0Point
48216DetroitWayneMI2.0All
48201DetroitWayneMI2.3All
N8YWindsorON2.4All
48207DetroitWayneMI2.5All
N9CWindsorON2.8All
48208DetroitWayneMI3.5All
N9EWindsorON3.5All
N8WWindsorON3.8All
48209DetroitWayneMI3.9All
48214DetroitWayneMI4.4All
48202DetroitWayneMI4.5All
48211DetroitWayneMI4.6All
48210DetroitWayneMI4.8All
N8TWindsorON4.9All
N8SWindsorON5.0All
N9GWindsorON5.3All
48206DetroitWayneMI5.3All
N8VWindsorON5.5All
48218River RougeWayneMI5.6All
48215DetroitWayneMI5.9All
48213DetroitWayneMI6.0All
48212HamtramckWayneMI6.1All
48204DetroitWayneMI6.3All
48288 UniqueDetroitWayneMI6.4Point
48217DetroitWayneMI6.4All
N8RWindsorON6.6All
N9JLasalleON6.7All
N9HLasalleON6.7All
N8PWindsorON6.7All
48229EcorseWayneMI7.0All
48120DearbornWayneMI7.1All
48238DetroitWayneMI7.4All
48234DetroitWayneMI7.4All
48122MelvindaleWayneMI7.5All
48126DearbornWayneMI7.5100%
48230Grosse PointeWayneMI7.6All
48203Highland ParkWayneMI7.6100%
48121 PO BoxDearbornWayneMI7.7Point
48205DetroitWayneMI8.396%
48224DetroitWayneMI8.4All
48146Lincoln ParkWayneMI8.794%
N8NTecumsehON9.069%
48228DetroitWayneMI9.063%
48227DetroitWayneMI9.283%
N9KTecumsehON9.478%
48101Allen ParkWayneMI9.659%
48221DetroitWayneMI9.673%
48192WyandotteWayneMI9.760%
48225Harper WoodsWayneMI9.941%
48236Grosse PointeWayneMI10.336%
48091WarrenMacombMI10.633%
48030Hazel ParkOaklandMI10.727%
48124DearbornWayneMI10.729%
48235DetroitWayneMI11.010%
48220FerndaleOaklandMI11.04%
48089WarrenMacombMI11.122%
48021EastpointeMacombMI11.31%
48195SouthgateWayneMI11.41%
48125Dearborn HeightsWayneMI12.86%
48138Grosse IleWayneMI13.31%
N9VAmherstburgON14.16%
N0RHarrowON16.99%

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Connect Claude or ChatGPT to our ZIP Code data, then ask questions in plain English. No sign-up with us needed.

Once you're connected, try this:
“How many FSAs are within 10 miles of N9A 7B3, and which cities are they in?”

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Developer tools: Claude Code, Cursor, VS Code, Codex
Questions about this area (full answers need a free API key)
“List the ZIP Codes within 10 miles of N9A 7B3, with how much of each is inside the circle.”
“What is the typical household income and home value within 10 miles of N9A 7B3, and how did they change since 2014?”
“Which ZIP Codes within 10 miles of N9A 7B3 have the most households?”
Get a Free API Key 2,500 credits a day, free. Or see what the API returns below.

Powered by the ZIP Codes API

Everything above came from one call to the ZIP Codes API /v2/radius endpoint: the FSAs in the radius and how much of each is inside. US searches also return Census figures for the whole area, 2011 to 2024, and it searches up to 250 miles.

This search used 1 credits; a free key includes 2,500 a day.

Developers: see the exact request
curl -H "X-Api-Key: YOUR_KEY" "https://api.zip-codes.com/v2/radius?code=N9A 7B3&max=10&mode=spatial"
View the JSON response (excerpt)

The first three ZIP Codes and the headline figures from the real response. Coordinates are rounded to 3 decimals here; the API returns full precision.

{
  "success": true,
  "request": {
    "code": "N9A 7B3",
    "max": "10",
    "mode": "spatial"
  },
  "results": [
    {
      "success": true,
      "search": {
        "center": {
          "code": "N9A 7B3",
          "code_type": "Postal",
          "city": "Windsor",
          "state": "ON",
          "location": {
            "lat": 42.316822,
            "lon": -83.040241
          }
        },
        "max": 10,
        "min": 0,
        "mode": "spatial"
      },
      "summary": {
        "total_count": 85,
        "us_zip_count": 66,
        "ca_fsa_count": 19,
        "ca_postal_count": 0
      },
      "matches": [
        {
          "country": "CA",
          "code": "N9A",
          "code_type": "FSA",
          "city": "Windsor",
          "state": "ON",
          "county": null,
          "county_fips": null,
          "classification": null,
          "classification_name": null,
          "location": {
            "lat": 42.313,
            "lon": -83.034
          },
          "distance_miles": 0.44,
          "pct_inside": 100,
          "area_sq_mi": 2.34
        },
        {
          "country": "US",
          "code": "48243",
          "code_type": "ZIP",
          "city": "Detroit",
          "state": "MI",
          "county": "Wayne",
          "county_fips": "26163",
          "classification": null,
          "classification_name": "Standard",
          "location": {
            "lat": 42.329,
            "lon": -83.04
          },
          "distance_miles": 0.85,
          "pct_inside": 100,
          "area_sq_mi": 0.02
        },
        {
          "country": "US",
          "code": "48233",
          "code_type": "ZIP",
          "city": "Detroit",
          "state": "MI",
          "county": "Wayne",
          "county_fips": "26163",
          "classification": null,
          "classification_name": "Standard",
          "location": {
            "lat": 42.326,
            "lon": -83.059
          },
          "distance_miles": 1.12,
          "pct_inside": null,
          "area_sq_mi": 0
        }
      ]
    }
  ],
  "meta": {
    "credits": {
      "used": 1
    }
  }
}
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  • Every ZIP Code or Canadian FSA in a radius or a ring
  • How much of each ZIP Code is inside the circle
  • Census figures for the whole area, 2011 to 2024
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