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Official Languages: Spanish

English is commonly spoken in parts of the tourism industry in Buenos Aires and major tourist areas, but overall it is limited. Basic Spanish is very helpful for transport, restaurants, and everyday situations.

Mobile Network: Mobile coverage is generally good in Buenos Aires and most cities, and reasonable on major travel routes. Coverage becomes weaker in remote mountain, desert, and Patagonian areas, where signal may be limited or absent.

Roaming/SIM/eSIM: If your home plan has affordable roaming, it is the easiest option for a short stay, especially on arrival. For better value on longer trips, a local SIM commonly costs less for domestic data and calls, but setup may take more effort and shop hours can be limited. eSIM can be the most convenient middle option if your phone supports it, since you can activate data before arrival, but prices and local network access vary by provider. For remote travel, do not rely on mobile data alone and download maps offline.

Cards are widely accepted in Buenos Aires, major cities, hotels, supermarkets, and many restaurants, but cash is still useful for taxis, small shops, local markets, rural areas, and some transport services. International cards commonly work, though acceptance can be inconsistent in smaller towns.

Tipping is customary in restaurants, with around 10 percent commonly given for good service. It may be left in cash even when paying the bill by card. Small tips are also common for hotel staff, porters, and sometimes taxi drivers by rounding up the fare.

Plug Type: Type C and Type I

Voltage: 220V, 50Hz

Adapter: Commonly yes for visitors from countries using other plug types or 110V systems. Many devices support 100 to 240V, but you should check your charger label.