Connectivity — Taiwan
What travelers need to know about connectivity in Taiwan. What is legal at home can be a serious crime here — each rule links to its official source.
Connectivity in Taiwan: allowed only under specific conditions.
Getting a SIM card in Taiwan requires showing your own identity document: the carrier must check it against you, register it, and verify your identity through a government-designated database before it provides service. For foreign visitors on a prepaid SIM, the carrier must periodically check immigration records, and once you have left Taiwan, or overstayed your permitted stay, the prepaid service is restricted or stopped; if you come back while the card is still valid, you must have your identity re-checked by the carrier before service resumes. Handing your number over to someone outside your own household requires the carrier to re-register it, or the service is cut off, and a number that police or the telecom regulator flag as used for fraud is suspended.
The Fraud Crime Hazard Prevention Act places its fines on carriers, not on the traveller: NT$100,000 to NT$2,000,000 for failing to check and register a customer's identity or to cut off flagged service (art. 25), and up to NT$20,000,000 in serious cases for failing to monitor foreign prepaid users' departure and overstay records or to stop their service (art. 24). For the user, the consequence set by the Act is restriction or loss of service (arts. 15, 16, 17, 18 and 22).
§ Laws and Regulations Database of the Republic of China (Ministry of Justice) - Fraud Crime Hazard Prevention Act (詐欺犯罪危害防制條例), amended 21 January 2026, arts. 15-19, 22, 24 and 25Verified Sep 21, 2026