Finland (+358 / 00358): 6 to 11 digits
Locals write 040 1234567. An API wants +358401234567. Paste any Finland number below to see it normalised, validated, and identified.
# free & rate-limited · no signup · live results from the same engine as the API
Since the engine is the same one the API runs, a key does not buy you a better answer. It buys volume, bulk jobs and a signed receipt.
How Finland numbers are written
- Country calling code
- +358
- Dialled from abroad
- 00358 (011 358 from the US and Canada)
- ISO country code
- FI
- National number length
- 6 to 11 digits
- Trunk prefix
- 0 (dropped in E.164)
- Written locally
- 040 1234567
- E.164 format
- +358401234567
What +358 means
+358 is the country calling code for Finland. The same code is written 00358 when you dial out from most of Europe, Africa and Asia, and 011 358 from the US and Canada. All three reach the same place: only the exit code in front of it changes. Whichever one you use, the national trunk 0 is dropped once the country code is in front.
Mobile numbers
Mobiles start with 4 or 5 (written 04x and 050 nationally); lengths vary.
Converting to E.164
Take the number as written locally (040 1234567), drop the leading 0, then prefix +358. The result is +358401234567: no spaces, no dashes, no parentheses. Store that, and format for display only when you show it to a human.
Why not do it with a regex
A pattern that matches Finland numbers today breaks the moment a new mobile range is allocated, and it cannot tell you whether the number is actually assigned. The tool above runs the same numbering-plan engine as our phone validation API, so it also reports line type and region rather than just shape.
Finland mobile prefixes
- 04x
- Mobile
- 050
- Mobile
A prefix tells you the range a number was issued from, not which network holds it today — numbers move between operators. For the current carrier you need a live lookup, which is what our phone API returns.
Finland area codes by city
- Helsinki / Uusimaa
- 09
- Turku / Southwest
- 02
- Tampere / Pirkanmaa
- 03
- Oulu / North Ostrobothnia
- 08
- Jyväskylä
- 014
Finnish numbers have no standard length
After +358 a Finnish number can be anywhere from 6 to 11 digits. Area codes are one to three digits after the trunk 0, and the subscriber part takes what is left. 040 and 050 are mobile ranges, not cities. A digit-count validator will reject real Finnish numbers at both ends of that range.
Finland phone numbers, answered
What country is +358?
+358 is Finland. Written 00358 from most of Europe and 011 358 from the US and Canada. Drop the leading 0: 040 1234567 locally is +358401234567 internationally.
How many digits is a Finnish phone number?
It varies: 6 to 11 after the +358. There is no single length that separates valid from invalid, which is why a numbering-plan check is required rather than a digit count.
What is a 040 or 050 number in Finland?
04x and 050 are the Finnish mobile ranges. Internationally the 0 is dropped, so 040 1234567 becomes +358401234567. The prefix tells you the number is mobile, not which network holds it today.
That is how a Finland number is written. Whether a whole list is worth dialling is the free call list cleaner, or check one number on the spam phone checker.