The Netherlands country code is +31. From the UK, dial +31 then the Dutch number with the domestic leading 0 dropped. An Amsterdam landline printed as 020 XXX XXXX is +31 20 XXX XXXX. A Dutch mobile printed as 06 XXXXXXXX is +31 6 XXXXXXXX. Do not keep the 0 after +31: +31 020 or +31 06 is a misdial.
How to dial
Use one of these origin formats:
- ›+31 plus the national significant number (usual on a mobile)
- ›00 31 plus the same digits from a UK landline that still needs the international access prefix
Ofcom's National Telephone Numbering Plan designates 00 as access to international telephone numbers from the UK. + is a substitute on many mobiles. Do not assume every device accepts the same input.
More numbers: call the Netherlands. Area codes: Netherlands calling codes.
The ITU E.164 list assigns 31 to the Netherlands (Kingdom of the). Amsterdam geographic numbers use 20 (printed 020). Rotterdam uses 10 (printed 010). Dutch mobiles drop the 0 from 06, leaving 6 after +31. A prefix is a format hint, not proof of the current network.
Cost
A call from the UK to the Netherlands is an international call from home. That is not the same as roaming while you are in the Netherlands.
EE's call-abroad page sells International Pass and International Extra add-ons for calls from the UK. Inclusive minutes, if any, are plan-specific. Check whether the Netherlands is named on the destination list.
Listed WorldDial rates checked on 13 September 2026: $0.04/min to landlines and $0.04/min to mobiles, in USD. Special-rate Dutch numbers were much higher on that snapshot. Calls are billed in whole minutes, rounded up. Check the current rate for your number on rates before adding credit.
If the Netherlands is already in your UK calling allowance, use your handset. If it is not, you can place the call in the browser. How calling works: how it works.
When 0800 is the wrong number
Dutch 0800 is a domestic freephone range. Do not assume a domestic toll-free number will work from the UK. Use the number the organisation publishes for international callers.
Belastingdienst contacts for overseas callers are on Belastingdienst from abroad.
Time difference
The Netherlands is one hour ahead of the UK throughout the year. Both countries change their clocks on the same schedule. Check the organisation's local opening hours before calling.
Format mistakes to avoid
- ›Keeping 020 after +31 (Amsterdam must be +31 20)
- ›Keeping 06 after +31 (a Dutch mobile must be +31 6)
- ›Assuming an 0800 number will work from the UK
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FAQs
What is the international dialing code for the Netherlands?
+31. From the UK, dial +31 or 00 31, then the Dutch number with the leading 0 dropped.
Can I dial Dutch 0800 numbers from the UK?
0800 is Dutch domestic freephone. International reach is not established by that label. Use a geographic or published paid line on the same contact page.
What does WorldDial charge to the Netherlands?
Listed WorldDial rates checked on 13 September 2026: $0.04/min to landlines and $0.04/min to mobiles, in USD. Check rates for the number you will dial.