Postal code · postinumero

Finland postal codes

Q: What is the postal code format in Finland?

Finland postal codes follow the pattern ##### (# = digit, @ = letter), i.e. 5 digits. Examples: 00550, 00011.

Q: What regex validates Finland postal codes?

^(?:\d{5})$ matches the official format (from Google's address metadata). It checks the shape only; whether a code exists needs a lookup in a postal code database such as the zipcodestack API.

Finland postal codes have the format ##### (5 digits), for example 00550. zipcodestack has 3,377 postal codes for Finland in 18 regions.

Format: #####
Example: 00550
Codes in our database: 3,377
Local name: postinumero

Finland postal code format

Pattern	##### (# digit, @ letter)
Examples	00550, 00011
Regex	`^(?:\d{5})$`
Official lookup	support.posti.fi

Format and regex from Google's address metadata (libaddressinput). The regex checks the shape of a code, not whether it exists.

Postal Codes by region

Region	Range	Codes
Central Finland Region	17780 – 44970	216
Central Ostrobothnia Region	67100 – 69980	54
Kainuu	74390 – 92830	92
Kanta-Häme	00002 – 32140	111
Kymenlaakso	19160 – 49980	135
Lapland	94100 – 99999	306
Northern Savo	70006 – 79520	238
North Karelia	58350 – 83985	181
North Ostrobothnia Region	68100 – 95160	242
Ostrobothnia Region	61500 – 68970	144
Päijänne Tavastia	15100 – 19850	131
Pirkanmaa	14960 – 42870	276
Satakunta	26100 – 39990	161
Southern Savonia	00101 – 79940	198
South Karelia	46530 – 59730	107
South Ostrobothnia Region	60060 – 66370	210
Southwest Finland	20100 – 32560	240
Uusimaa	00100 – 47350	534

Postal Codes of the largest cities

Helsinki 00100 + 141 more Espoo 02100 + 67 more Tampere 33100 + 58 more Vantaa 01200 + 55 more Oulu 90100 + 35 more Turku 20100 + 40 more Jyväskylä 40100 + 24 more Kuopio 70100 + 35 more Lahti 15100 + 36 more

Neighbouring countries

🇳🇴 Norway####🇷🇺 Russia######🇸🇪 Sweden### ##

Finland postal codes: FAQ

What is the postal code format in Finland?

Finland postal codes follow the pattern ##### (# = digit, @ = letter), i.e. 5 digits. Examples: 00550, 00011.

What regex validates Finland postal codes?

^(?:\d{5})$ matches the official format (from Google's address metadata). It checks the shape only; whether a code exists needs a lookup in a postal code database such as the zipcodestack API.

What is the postal code of Helsinki?

Helsinki has 142 postal codes, starting with 00100. The right one depends on the street; see the full list for Helsinki.

What are postal codes called in Finland?

In Finland the postal code is called postinumero.

How many postal codes are there in Finland?

The zipcodestack database contains 3,377 postal codes for Finland, each with place name, region and coordinates.

Postal code API

Look up Finland postal codes by API

zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.

/v1/search documentation International postal code API All documentation

300 free requests every month. No credit card required.

GET https://api.zipcodestack.com/v1/search?codes=00550&country=fi

{
  "results": {
    "00550": [{
      "postal_code": "00550",
      "country_code": "FI",
      "city": "…",
      "state": "…",
      "latitude": …,
      "longitude": …
    }]
  }
}

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