Emergencies
In case of an emergency, contact your hotel manager for assistance. If you speak Chinese (or are traveling with someone who does), you can also call energency numbers.
Police:110 Fire Department: 119
Shanghai has different numbers for each emergency services, but staff often don't speak English. If in doubt, call the U.S. Embassy first: staff members are available 24 hours a day to help handle emergencies and facilitate communication with local agencies.
Banks & currency exchange
In Shanghai, American Express, MasterCard, and Visa are accepted at most major hotels and a growing number of upmarket stores and restaurants. Diners Club is accepted at many hotels and some restaurants.
Internet
Shanghai is a very Internet - friendly place for those bearing laptops. Most mid - to high - end hotels have in - room Internet access; if the hotel doesn't have a server but you have a room phone you can usually access a government - provided ISP, which only charges you for the phone call. Wi-Fi is growing exponentially - many hotels and even cafes provide it free.
Phones
Shanghai's city code is 021, and Shanghai phone numbers have eight digits - you only need to dial these when calling within the city.