Guernsey Country Code

The country code for Guernsey is +44. It is shared with 3 other countries, so a +44 number does not identify Guernsey on its own.

Calling code: +44
ISO code: GG · GGY
Region: Europe
Dialling out: 00

How to call Guernsey from the US

011+44+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 Guernsey start with a 0 — drop it when you dial in from abroad.

Example Guernsey numbers in international format, as published by the numbering-plan source.
Line type	Dial from abroad
Fixed line	+44 1481256789
Mobile	+44 7781123456

Calling out of Guernsey

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

Other countries on +44

Scope the Guernsey 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.