United Arab Emirates: Messages work, but calls can be blocked. Keep a cellular-call fallback and verify changed payment instructions separately.
Albania: Save your hotel's WhatsApp number before arrival. It's the fastest way to sort out check-in details or ask for local recommendations.
Argentina: Activate it before travel, keep your existing number after a SIM change, enable two-step verification and never share a registration code.
Australia: WhatsApp is the easiest way to coordinate with tour operators and hostels, especially in backpacker-heavy areas.
Bosnia and Herzegovina: Many Sarajevo walking tour guides take bookings via WhatsApp. Message ahead to confirm availability, especially during summer months.
Barbados: Enable two-step verification and confirm changed pickup or payment instructions through a separately published contact before acting.
Bangladesh: Hotel front desks respond faster to WhatsApp than email or phone calls.
Bulgaria: Keep your existing account when changing SIMs. Verify any changed booking or payment details through the original platform.
Bahrain: Many of the smaller restaurants in Manama's Block 338 dining district take reservations through WhatsApp. A quick message beats waiting in line on weekends.
Bolivia: Activate it before travel, keep the existing number after a SIM change, enable two-step verification and never share a registration code.
Brazil: Save your accommodation's WhatsApp number before arrival. Most Brazilian businesses respond faster on WhatsApp than by email or phone call.
Bahamas: Enable two-step verification and confirm changed pickup or payment instructions through a separately published contact before acting.
Canada: Keep your existing number and verify before departure. If a business unexpectedly requests payment or a one-time code, confirm through its published contact or booking platform.
Switzerland: Save local contacts via WhatsApp from day one; even small guesthouses prefer it over email.
Chile: Save WhatsApp numbers of your accommodation and tour operators before you land.
Colombia: Save WhatsApp numbers of your accommodation and tour operators immediately on arrival. This is how Colombia does business.
Costa Rica: Save WhatsApp numbers of your accommodation and any booked tours before you land.
Cuba: Verify it before departure and keep the original account number after changing SIMs. Save every critical contact and contingency on paper because blackouts can disable data.
Germany: Register before travel, enable two-step verification, and confirm changed payment or pickup instructions through a second official channel.
Dominican Republic: Set it up before departure, keep the original account number after changing SIMs, and verify changed payment or pickup details through a second published contact.
Ecuador: Save your accommodation's WhatsApp number before arrival. Most Ecuadorian businesses respond faster on WhatsApp than via email.
Egypt: Verify your number before departure. Text and voice notes are useful, but WhatsApp voice and video calls may be blocked or unreliable, so keep a calling fallback.
Spain: Keep the original account when changing SIMs and independently verify any changed payment or passport request.
Ethiopia: Set it up before departure. Keep calls, SMS and offline contact details as backups because internet access can be disrupted.
Fiji: When arranging island transfers or local tours, WhatsApp your operator the night before to reconfirm pickup time and location. Schedules can shift with weather and tides.
United Kingdom: Many small UK B&Bs and local tour guides prefer WhatsApp over email for quick communication.
Ghana: Verify it before departure and enable two-step verification. Confirm changed payment instructions by calling a previously trusted number.
Greece: Keep your existing account when changing SIMs and verify unexpected payment changes through an independent contact.
Guatemala: Save the INGUAT tourism board WhatsApp helpline for official tourism assistance.
Hong Kong: Many local restaurants only accept bookings via WhatsApp. More useful than email or phone.
Indonesia: Save your accommodation and tour guide's WhatsApp number before arriving.
Ireland: Some rural guesthouses prefer WhatsApp over email for bookings.
Israel: Israeli businesses are very responsive on WhatsApp. Don't hesitate to message a restaurant directly to ask about reservations or dietary accommodations.
Italy: Save your hotel or Airbnb host's WhatsApp number before arrival. They'll send directions, gate codes, and local tips this way.
Jamaica: Set it up before departure, keep the original account when changing SIMs, and verify changed payment or pickup details through a second published contact.
Jordan: Activate it before travel, keep the original account when changing SIMs, and verify unexpected payment changes through an independent channel.
Kenya: Verify it before travel and enable two-step verification. Confirm any changed payment, hotel or vehicle details through a previously trusted channel.
Kyrgyzstan: Keep the existing account when changing SIMs and independently verify any changed pickup point or payment detail.
Kazakhstan: Keep your existing account when changing SIMs, enable two-step verification and independently confirm any changed price, pickup point or payment detail.
Laos: Save your accommodation's WhatsApp number on check-in.
Sri Lanka: Share your live location with your hotel via WhatsApp when arriving late.
Morocco: Ask for the riad pin and nearest accessible gate before arrival, then screenshot both. Verify any changed payment request through the original booking channel.
Montenegro: Message accommodation hosts on WhatsApp before arrival. Many smaller guesthouses don't have formal reception desks and will arrange to meet you.
North Macedonia: Ohrid guesthouses often handle bookings and check-in coordination entirely through WhatsApp. Save their number and confirm your arrival time in advance.
Maldives: If you are staying at local guesthouses on inhabited islands rather than resorts, WhatsApp is your lifeline for arranging boat transfers between islands. Message operators a day ahead.
Mexico: Keep your original account when changing SIMs and independently verify changed payments, links or passport requests.
Malaysia: Many local restaurants only accept bookings via WhatsApp.
Nigeria: Keep your existing number, enable two-step verification, and confirm any changed number or payment request through the original official channel.
Oman: Keep the existing account when changing SIMs, and independently verify any changed pickup point or payment instruction.
Panama: Save your hotel and tour operator as WhatsApp contacts. Most businesses respond faster on WhatsApp than by phone or email.
Peru: Save WhatsApp numbers of your accommodation and booked tours before you arrive. Most updates come via WhatsApp, not email.
Pakistan: Keep your existing account when changing SIMs, enable two-step verification and verify unexpected payment changes independently.
Puerto Rico: Register before travel, enable two-step verification, and confirm changed pickup or payment details through a second contact published by the business.
Portugal: Try messaging businesses on WhatsApp first. You'll often get a faster reply than calling.
Paraguay: Use WhatsApp's built-in Share Live Location feature when giving your location to drivers. Street addresses are often insufficient.
Qatar: Many restaurants in Souq Waqif accept table reservations via WhatsApp. Save the number from their Google Maps listing and message them directly.
Romania: Rural hosts in Maramureศ and Transylvania prefer WhatsApp over email. Message them directly.
Rwanda: Keep your existing account when changing SIMs, enable two-step verification, and verify changed payment instructions through an independent official channel.
Saudi Arabia: Messages work, but voice and video calls are restricted or unreliable. Keep a cellular-call fallback and verify changed payment instructions separately.
Singapore: Many hawker stalls take pre-orders via WhatsApp. Look for the number posted at the stall.
Turkey: Register before departure, enable two-step verification, and confirm changed pickup or payment details through a second official contact.
Tanzania: Keep your existing account when changing SIMs, enable two-step verification, and verify changed payment or pickup instructions outside the chat.
Uruguay: Many guesthouses and restaurants only respond via WhatsApp. Save contacts and message ahead rather than calling.
South Africa: Keep your existing account when changing SIMs, enable two-step verification, and independently verify changed payment or document requests.