Guam Plugs & Voltage
Type A, B · 110 V
Guam uses Type A and Type B plugs, and the standard voltage is 110 V. Traffic drives on the right. Emergency number: 911.
- Plug types
- A, B
- Voltage
- 110 V
- Drives on the
- Right
- Emergency
- 911
Sockets in Guam
Do you need an adapter for Guam?
| Travelling from | Plug adapter | Voltage |
|---|---|---|
| United States | Not needed | Same range |
| United Kingdom | Needed | Different — check devices |
| India | Needed | Different — check devices |
| Bangladesh | Only for Type C, G, K | Different — check devices |
| Pakistan | Needed | Different — check devices |
| Australia | Needed | Different — check devices |
| Canada | Not needed | Same range |
| Germany | Needed | Different — check devices |
| China | Only for Type C, I | Different — check devices |
| Philippines | Only for Type C | Different — check devices |
More for travellers
| Official languages | Chamorro and English |
|---|---|
| Emergency numbers | 911 |
| Calling code | +1671 |
| Currency | United States dollar (USD) |
Frequently asked questions
What plug type is used in Guam?
Type A and Type B.
What is the voltage in Guam?
110 V. Devices from 220–240 V countries need to be dual-voltage or used with a converter.
Which side of the road do they drive on in Guam?
On the right.
What is the emergency number in Guam?
911.
Source: Wikidata (CC0), retrieved 2026-10-22. Plug descriptions and compatibility are our own summary of the IEC plug types. Hotels and new buildings may have other sockets — carry a universal adapter if unsure.