What languages are spoken in Guam?

In Guam, the main languages spoken are English.

Which time zones does Guam use?

Guam has the following time zones: Pacific/Guam. Make sure to check local time before placing your call.

What is an example of a mobile or landline number in Guam?

A typical mobile number format is: +1 123456789. A landline number might look like: +1 12345678. Omit any leading 0.

Are there any special tips for calling Guam internationally?

Remember to take into account the time zones in Guam, and the fact that primary languages are English. Dial +1 before the local number.

How much does it cost to call Guam?

Calling Guam with Phonecall starts from $0.11/min for landlines and $0.11/min for mobile numbers. We show the rate before you dial.

What is the calling code for Guam?

The calling code for Guam is +1. To call, start with the international access code, then dial +1 followed by the local number.

Guam country code (+1) — formats & examples

Use +1 to call Guam. See number formats, common mistakes, and plan the best time to call.

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+1671 300 1234 Start a call

Calling format

Country code+1
Mobile format pattern+1 XXX XXX XXXX
Landline format pattern+1 XX XXXX XXXX
NotesOmit leading 0 when using country code; include area code where applicable.

Valid number patterns

Valid mobile number pattern

+1 XXX XXX XXXX

e.g. +1 671 300 1234

Valid landline number pattern

+1 XX XXXX XXXX

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Dialing information

Country code+1
LanguagesEnglish
Time zonesPacific/Guam
Phonecall rate$0.11/min

Landline$0.11/minMobile$0.11/min

Call Guam from your browser at low rates. No app or SIM required.

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Time difference

Guam is 14 to 15 hours ahead of United States, varying with daylight saving.

Best time to call: 18:00 to 03:00 your local time.

Dialing specifics for Guam

Always dial +1 before the local number when calling Guam from abroad.

Looking for calling rates? See cheap calls to Guam for current per-minute pricing.

Frequently asked questions

Common questions about calling Guam with the +1 country code.

What languages are spoken in Guam?: In Guam, the main languages spoken are English.
Which time zones does Guam use?: Guam has the following time zones: Pacific/Guam. Make sure to check local time before placing your call.
What is an example of a mobile or landline number in Guam?: A typical mobile number format is: +1 123456789. A landline number might look like: +1 12345678. Omit any leading 0.
Are there any special tips for calling Guam internationally?: Remember to take into account the time zones in Guam, and the fact that primary languages are English. Dial +1 before the local number.
How much does it cost to call Guam?: Calling Guam with Phonecall starts from $0.11/min for landlines and $0.11/min for mobile numbers. We show the rate before you dial.
What is the calling code for Guam?: The calling code for Guam is +1. To call, start with the international access code, then dial +1 followed by the local number.

Call planning

Check local time in Guam and your location so you call at a good time.

Time zones in Guam

Pacific/Guam

Best times to call are typically 9 AM – 5 PM local time in Guam. Avoid calling during early morning (before 8 AM) or late evening (after 9 PM) local time.