£1 US$1.34
Today
1:54 pm
+10h from you
Weather in Guam
Guam
27°
Thunderstorm
Wed
26
27
Thu
26
27
Fri
27
27
Sat
27
27
Sun
27
27
SPF level in Guam
Recommended: SPF 50+ (extreme)
Spring
SPF 50+
Summer
SPF 50+ (extreme)
Autumn
SPF 50+
Winter
SPF 50+
Suncream is often more expensive in tourist zones. Pack your preferred SPF from the UK, especially for beach holidays. Always carry travel-size (100ml max) for hand luggage.
Getting around Guam
Tipping in Guam
Tipping is customary in Guam for various service industries. While not mandatory, it is a common way to show appreciation for good service.
Restaurant
15-20% of the bill for good service
Bar/Café
$1-2 per drink or 15-20% of the bill
Taxi
10-15% of the fare for good service
Hotel Porter
$1-2 per bag
Hotel Housekeeper
$1-2 per night of stay
Tour Guide
10-15% of the tour cost for a good tour
Safety in Guam
Driving in Guam
A valid UK driving license is accepted for a short period. An international driving permit (IDP) is recommended.
Side of road
right
Motorway speed limit
88 km/h (55 mph)
Urban speed limit
40 km/h (25 mph)
Alcohol limit
0.08%
Remember: Guam drives on the right. Take extra care at junctions if you normally drive on the left.
Emergency numbers
Universal emergency
911
Save 911 in your phone before travelling.
Electrical in Guam
Voltage
110V / 60Hz
Plug types
Type A, Type B
UK adapter needed?
Yes
Guam uses 110V electricity with a frequency of 60Hz. Plug types A and B are standard. British travelers will need a step-down voltage converter and plug adapter to use their appliances.
Cards & payments
Credit and debit cards are widely accepted in Guam, especially in hotels, restaurants, and larger establishments popular with tourists. However, smaller businesses may prefer cash.
Visa
High
Mastercard
High
American Express
Medium
Lost card? Call Visa: +14105819994
ATMs in Guam
ATMs are readily available in Guam, especially in tourist areas, shopping centres, and banks in urban locations.
Local name
ATM
Chip & PIN required?
Yes
Most ATMs in Guam accept major international cards. Ensure your card is enabled for international use before travelling. Chip and PIN is generally required.
Mobile & roaming
As the UK is no longer part of the EU, EU roaming agreements no longer apply. Check with your mobile provider about international roaming charges for Guam. Roaming charges can be high, so consider purchasing a local SIM card if you plan to use mobile data extensively.
Local SIM data package
10 GB for 30 USD (~£24)
Network coverage
4G LTE, 5G
Local carriers
GTA Teleguam, IT&E
WiFi & internet
WiFi is available in many hotels, restaurants, and cafes, especially in tourist areas. Some public areas may also offer free WiFi.
Average speed
25 Mbps
WiFi is widely available in Guam, but the speed can vary. Mobile data is a viable alternative, especially with a local SIM card.
Health & vaccinations in Guam
As a British tourist, ensure you have comprehensive travel insurance that covers medical expenses, including emergency treatment and repatriation. While the GHIC/EHIC card is useful in Europe, it is not applicable in Guam. Check your policy details carefully.
Vaccinations required?
No
Recommended
Hepatitis A
Consult your doctor or a travel clinic well in advance of your trip to discuss necessary vaccinations and health precautions. Dengue fever can occur. Protect yourself from mosquito bites by using insect repellent, wearing long sleeves and trousers, and staying in accommodations with air conditioning or mosquito nets. Tap water is generally considered safe to drink, but bottled water is readily available and may be preferred. Food safety standards are generally high.
Calling Guam
Country code
+1
To call Guam from the UK, dial 00 1 671 followed by the local number.
To call the Guam Visitors Bureau, you would dial 00 1 671 646-5278 from the UK.
The country code for Guam is 1. The area code for Guam is 671. When calling Guam from abroad, dial the exit code of your country, followed by Guam's country code (1), then the area code (671), and finally the local number.
UK Embassy in Guam
British Embassy Washington (though there is no physical British embassy or consulate in Guam)
3100 Massachusetts Avenue, NW Washington, DC 20008
Airport in Guam
Frequently asked questions
While we strive to provide accurate and up-to-date information, AtoBeach cannot be held responsible for any inaccuracies. We recommend verifying details with official sources before travelling.