How to call Guam
Everything you need to dial Guam (+1) from any country: the exit code, the country code, the number format, and the cheapest way to connect.
Maintained by Localcall Editorial Team.
The Guam dialing format
Your country's international exit code (or just + on a mobile).
+1 for Guam.
The local number, without its leading 0.
A Guam number dialed from abroad looks like this:
International exit codes
The exit code depends on where you are calling from. On a mobile, dialing + works everywhere.
| Calling from | Exit code |
|---|---|
| Any mobile (worldwide) | + +1 |
| United States & Canada | 011 +1 |
| Most of Europe | 00 +1 |
| Australia | 0011 +1 |
| Japan | 010 +1 |
Call Guam step by step
Dial your exit code or +
On a mobile, press and hold 0 to enter '+'. From a landline, dial your country's exit code; for example, use 011 in the US or 00 across most of Europe.
Enter the country code +1
Add +1, the country code for Guam, straight after the exit code or +.
Add the local number
Dial the recipient's Guam number, dropping any leading 0.
Or just use Localcall
Skip the codes entirely: simply paste the number into Localcall, and we will dial it from your browser with live translation.
Guam phone number format
Guam numbers have 6β12 digits after the country code +1.
- Country code
- +1
- Local number
- β
Localcall automatically detects mobile vs landline Guam numbers and prices each correctly.
Plan real calls to Guam
Use Guam language, local time, and call context before dialing a bank, airline, hotel, or support desk.
Language and translation
Local languages: English, Chamorro, and Spanish. Localcall can set the destination side to English when you need a translated conversation.
Time-window planning
Bank, airline, hotel, and support calls usually work best in destination business hours. Family calls often work better in the evening.
Bank calls in Guam
Use live translation for identity checks, branch questions, and card-support calls. Keep payment details out of the call.
Prepare a bank callAirline support
Call Guam airline desks during destination business hours for bookings, baggage, and schedule changes.
Plan an airline callHotel front desk
Use an AI agent for routine hotel calls like confirming a reservation, arrival time, or front-desk request.
Open hotel agentSupport desks
For utility, clinic, travel, and customer-support numbers, start with the local business-hours window.
Call support abroadCurated routes involving Guam
Route pages combine origin-specific dialing, best-time planning, rates, and call-mode CTAs.
Origin-specific corridor guides are not part of the current search inventory. Use the destination guide and current rates above.
The cheapest way to call Guam
Skip pricey calling cards and carrier roaming. Browser calls to Guam start from $0.10/min with Localcall; pay only for the minutes you talk, with no app and no subscription.
Frequently asked questions about calling Guam
The country code for Guam is +1. Dial your international exit code (or + on a mobile), then +1, then the local number.