{
  "zip": "01004",
  "type": "unknown",
  "type_source": "inferred",
  "city": "Amherst",
  "other_place_names": [],
  "state": "MA",
  "state_name": "Massachusetts",
  "county": {
    "fips": "25015",
    "name": "Hampshire County",
    "short_name": "Hampshire"
  },
  "counties": [],
  "location": {
    "lat": 42.3845,
    "lng": -72.5132,
    "source": "geonames",
    "timezone": "America/New_York"
  },
  "is_zcta": false,
  "parent_zcta": "01002",
  "metro": {
    "cbsa_code": "11200",
    "name": "Amherst Town-Northampton, MA",
    "type": "metro",
    "csa_code": "521",
    "csa_name": "Springfield-Amherst Town-Northampton, MA"
  },
  "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": 5,
    "employees": 33,
    "annual_payroll_thousands": 1815
  },
  "tax": {
    "irs_returns": null,
    "irs_agi_thousands": null
  },
  "area": {
    "land_sqmi": null,
    "water_sqmi": null
  },
  "nearest_zips": [
    {
      "zip": "01003",
      "miles": 0.7,
      "city": "Amherst",
      "state": "MA"
    },
    {
      "zip": "01059",
      "miles": 2,
      "city": "North Amherst",
      "state": "MA"
    },
    {
      "zip": "01002",
      "miles": 2.5,
      "city": "Amherst",
      "state": "MA"
    },
    {
      "zip": "01035",
      "miles": 3.4,
      "city": "Hadley",
      "state": "MA"
    },
    {
      "zip": "01038",
      "miles": 4.6,
      "city": "Hatfield",
      "state": "MA"
    },
    {
      "zip": "01375",
      "miles": 5.9,
      "city": "Sunderland",
      "state": "MA"
    },
    {
      "zip": "01066",
      "miles": 6,
      "city": "North Hatfield",
      "state": "MA"
    },
    {
      "zip": "01054",
      "miles": 6,
      "city": "Leverett",
      "state": "MA"
    },
    {
      "zip": "01061",
      "miles": 6.4,
      "city": "Northampton",
      "state": "MA"
    },
    {
      "zip": "01088",
      "miles": 6.5,
      "city": "West Hatfield",
      "state": "MA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/01004",
    "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."
  }
}