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deutsche-post

German post office postal code utilities. Inofficial, using an endpoint by Deutsche Post. Ask them for permission before using this module in production.

Installation

npm install --save deutsche-post

Usage

const post = require('deutsche-post')

• municipalities(postalCode) to get municipalities (and subsidiary districts) for a given postal code
• postalCodeShapes(postalCode) to get GeoJSON for a given postal code
• postalCode(address) to get the postal code associated with an address (not yet implemented)

municipalities(postalCode)

postalCode must be a valid german postal code String like 14050 or 04936. Returns a Promise.

post.municipalities('04936').then(…)

[
    {
        "postal-code": "04936",
        "municipality-addition": "",
        "municipality": "Hillmersdorf"
    },
    {
        "postal-code": "04936",
        "municipality-addition": "b Schlieben",
        "municipality": "Naundorf"
    },
    {
        "postal-code": "04936",
        "municipality-addition": "",
        "municipality": "Proßmarke"
    }
    // …
]

or

post.municipalities('14057').then(…)

[
    {
        "district": "Charlottenburg",
        "postal-code": "14057",
        "municipality": "Berlin"
    },
    {
        "district": "Westend",
        "postal-code": "14057",
        "municipality": "Berlin"
    }
]

postalCodeShapes(postalCode)

postalCode must be a valid german postal code, as a number like 10969 or a ECQL query string like strToLowerCase(code) like '109%'. Returns a Promise.

post.postalCodeShapes('10969')
.then(console.log, console.error)

{
    "type": "FeatureCollection",
    "totalFeatures": 1,
    "features": [
        {
            "type": "Feature",
            "id": "plz_5_2015_q1.10969",
            "geometry": {
                "type": "MultiPolygon",
                "coordinates": [
                    [
                        [
                            [
                                13.405129,
                                52.508324
                            ],
                            [
                                13.405416,
                                52.508295
                            ],
                            [
                                13.407717,
                                52.506733
                            ]
                            // …
                        ]
                    ]
                ]
            },
            "geometry_name": "geom",
            "properties": {
                "code": "10969",
                "bbox": [
                    13.385739,
                    52.49588,
                    13.415268,
                    52.509257
                ]
            }
        }
    ],
    "crs": {
        "type": "name",
        "properties": {
            "name": "urn:ogc:def:crs:EPSG::4326"
        }
    },
    "bbox": [
        52.49588,
        13.385739,
        52.509257,
        13.415268
    ]
}

Contributing

If you found a bug, want to propose a feature or feel the urge to complain about your life, feel free to visit the issues page.