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Official Languages: English

English Is the Official Language, Used in Government, Schools and on Signage, and Visitors Are Understood Everywhere. Day to Day, Most Residents Speak Antiguan and Barbudan Creole among Themselves, so It Is Common to Hear around You Even Though It Is Not What You Need to Get By

Mobile Network: 4G Covers Most of Antigua and Reaches Much of Barbuda, Though Neither Network Had Switched on 5G as of 2025. Coverage Is Strongest around Saint John's, the Airport and the Main Tourist Areas, and Weaker on Quieter Roads and Parts of Barbuda; Older Phones That Only Support 2G or 3G Can Still Connect in Most Places

Roaming/SIM/eSIM: Roaming Works for a Short Stay but Is Usually the Most Expensive Way to Get Data. A Local SIM Tends to Be Better Value for a Longer Trip If Your Phone Is Unlocked. An eSIM Is the Easiest Route If Your Device Supports It, since It Activates before You Land with No Shop Visit — Just Expect Thinner Coverage on Barbuda than on Antigua Whichever Option You Choose

Cards Are Widely Accepted at Hotels, Larger Restaurants and Shops on Antigua, but Smaller Vendors, Taxis and Much of Barbuda Run Mainly on Cash. US Dollars Are Commonly Accepted Too, but Change Usually Comes Back in East Caribbean Dollars, Sometimes at a Less Generous Rate than the Official Peg, so It Helps to Carry Some Local Cash

A Service Charge of around 10 Percent Is Often Added at Hotels and Restaurants, so Check the Bill before Tipping More. Where No Service Charge Is Included, 10 to 15 Percent for Good Restaurant Service Is Typical. Taxi Drivers Do Not Expect a Large Tip, and Small Cash Tips for Porters and Hotel Staff Are Appreciated

Plug Type: Type A and Type B

Voltage: 230 V, 60 Hz

Adapter: Visitors from North America Usually Need No Plug Adapter, since Type A and Type B Sockets Match Home. Travelers from Europe, the UK and Most of Asia Will Need One despite Similar Voltage, and a Dual-Voltage Device Is the Safer Choice Either Way