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Guam Country Code: +1-671

How to call Guam from abroad (+1-671)

Guam 1-671 Country Code GU GUM

The country code for Guam is +1-671 (ISO codes GU and GUM). You need it every time you phone Guam from another country.

To call Guam in four steps:

  1. Dial your international access prefix: 00 in most countries, 011 from the USA and Canada, or simply + on a mobile phone.
  2. Dial the Guam country code: 1-671.
  3. Dial the local number. If it starts with a 0 (the national trunk prefix), leave that 0 out; a few countries, such as Italy, keep it.
  4. Result: +1-671 followed by the local number, e.g. +1-671 [local number].

About Guam Codes

Guam GU Phone Code
1-671
ISO 3166 ALPHA-2
GU
ISO 3166-1 ALPHA-3
GUM

The ISO 3166-1 codes of Guam are GU (alpha-2) and GUM (alpha-3). Its international dialling code (E.164) is +1-671, its internet domain is .gu and its ISO numeric code is 316.

Guam Country and phone Codes : +1-671, GU, GUM

Country codes table

Phone Code+1-671
ISO alpha-2 (two letters)GU
ISO alpha-3 (three letters)GUM
.tld.gu
FIPSGQ
ISO numeric-3316
E. 1641
Language Codes
  • en-GU
  • ch-GU
Guam country codes table
Guam related countries codes
Guam Time Information
Local time at Hagatna :
08:40 PM
Friday, October 16, 2026
(GMT+10:00)
  • Time Zones :
    • Pacific/Guam

Global Information about Guam

  • Capital : Hagatna
  • Currency : Dollar
  • Surface : 549 km²
  • Longitude : 144.793731
  • Latitude : 13.444304