{
  "zip": "20189",
  "type": "unknown",
  "type_source": "inferred",
  "city": "Dulles",
  "other_place_names": [],
  "state": "VA",
  "state_name": "Virginia",
  "county": {
    "fips": "51107",
    "name": "Loudoun County",
    "short_name": "Loudoun"
  },
  "counties": [],
  "location": {
    "lat": 39.009,
    "lng": -77.4421,
    "source": "geonames",
    "timezone": "America/New_York"
  },
  "is_zcta": false,
  "parent_zcta": "20166",
  "metro": {
    "cbsa_code": "47900",
    "name": "Washington-Arlington-Alexandria, DC-VA-MD-WV",
    "type": "metro",
    "csa_code": "548",
    "csa_name": "Washington-Baltimore-Arlington, DC-MD-VA-WV-PA"
  },
  "demographics": {
    "population": null,
    "households": null,
    "housing_units": null,
    "median_age": null,
    "median_household_income": null,
    "median_home_value": null,
    "median_rent": null,
    "pct_bachelors_plus": null,
    "mean_commute_min": null,
    "density_per_sqmi": null
  },
  "business": {
    "establishments": 3,
    "employees": 158,
    "annual_payroll_thousands": 24678
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": null,
    "water_sqmi": null
  },
  "nearest_zips": [
    {
      "zip": "20101",
      "miles": 0.5,
      "city": "Dulles",
      "state": "VA"
    },
    {
      "zip": "20163",
      "miles": 0.8,
      "city": "Sterling",
      "state": "VA"
    },
    {
      "zip": "20167",
      "miles": 0.8,
      "city": "Sterling",
      "state": "VA"
    },
    {
      "zip": "20103",
      "miles": 1,
      "city": "Dulles",
      "state": "VA"
    },
    {
      "zip": "20598",
      "miles": 1.3,
      "city": "Dhs",
      "state": "VA"
    },
    {
      "zip": "20164",
      "miles": 2.4,
      "city": "Sterling",
      "state": "VA"
    },
    {
      "zip": "20166",
      "miles": 2.9,
      "city": "Sterling",
      "state": "VA"
    },
    {
      "zip": "20147",
      "miles": 3,
      "city": "Ashburn",
      "state": "VA"
    },
    {
      "zip": "20149",
      "miles": 3.4,
      "city": "Ashburn",
      "state": "VA"
    },
    {
      "zip": "20170",
      "miles": 3.9,
      "city": "Herndon",
      "state": "VA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/20189",
    "sources_url": "https://zipcodes.pro/sources",
    "license": "Facts derived from US public-domain data (Census, IRS) and GeoNames (CC BY 4.0). Attribution appreciated: zipcodes.pro",
    "note": "A null value means the source did not publish that figure for this ZIP code. It does not mean zero."
  }
}