Netherlands Country Code

The country code for Netherlands is +31.

Calling code: +31
ISO code: NL · NLD
Region: Europe
Dialling out: 00

How to call Netherlands from the US

011+31+local number

011 is the US and Canadian exit code; from a mobile you can dial + instead, anywhere in the world. Numbers written locally in Netherlands start with a 0 — drop it when you dial in from abroad.

Example Netherlands numbers in international format, as published by the numbering-plan source.
Line type	Dial from abroad
Fixed line	+31 101234567
Mobile	+31 612345678

Calling out of Netherlands

To call abroad from Netherlands, dial 00 before the destination's country code. From a mobile, + works instead.

Scope the Netherlands calling code and its dialing rules. Source datasets/country-codes (E.164 + ISO 3166) (ITU-T E.164 + ISO 3166, 2026-07 release) and libphonenumber PhoneNumberMetadata (Google) (libphonenumber master, 2026-08 snapshot). Updated 25 August 2026. Example numbers are the numbering plan's own published examples, not real subscriber lines.