{
  "enum": [
    "standard",
    "po_box",
    "unique",
    "military",
    ""
  ],
  "type": "string",
  "description": "A description of the ZIP code type. For more detailed information about\neach ZIP code type, see [US Verification Details](#tag/US-Verification-Types).\n"
}

{
  "type": "string",
  "pattern": "^us_zip_[a-zA-Z0-9]+$",
  "description": "Unique identifier prefixed with `us_zip_`."
}

{
  "type": "object",
  "required": [
    "city",
    "state",
    "county",
    "county_fips",
    "preferred"
  ],
  "properties": {
    "city": {
      "$ref": "#/components/schemas/city"
    },
    "state": {
      "$ref": "#/components/schemas/state"
    },
    "county": {
      "$ref": "#/components/schemas/county"
    },
    "preferred": {
      "type": "boolean",
      "example": true,
      "description": "Indicates whether or not the city is the <a href=\"https://en.wikipedia.org/wiki/ZIP_Code#ZIP_Codes_and_previous_zoning_lines\" target=\"_blank\">USPS default city</a> (preferred city) of a ZIP code. There is only one preferred city per ZIP code, which will always be in position 0 in the array of cities.\n"
    },
    "county_fips": {
      "$ref": "#/components/schemas/county_fips"
    }
  }
}