Taiwan phone code +886: mobile format & how to dial

Key facts

International code+886

International format+886 X XXXX XXXXe.g. +886 912 345 678

Mobile prefixes9XX XXX XXXe.g. 912 345 678

Mobile length9 digits

Landline format0X XXXX XXXXe.g. 02 1234 5678

Domestic trunk0

How to read a number

+886912345678

+886Country/region code: Taiwan.
9Mobile indicator: Written 09 domestically — the 0 is the trunk prefix, dropped from abroad. All mobiles start with 09.
1234Carrier block: Together with 09, the first 5 digits (09123 here) are the prefix the NCC assigned to a carrier; after porting it only shows the original carrier.
5678Subscriber number: Assigned to the individual user.

Domestic format: 0912-345-678.

This section checked 2026-09-13. Sources: www.ncc.gov.tw/chinese/files/14050/%E8%A1%8C%E5%8B%95%E9%80%9A%E4%BF%A1%E7%B6%B2%E8%B7%AF%E6%A5%AD%E5%8B%99%E7%94%A8%E6%88%B6%E8%99%9F%E7%A2%BC%E6%A0%B8%E9%85%8D%E7%8F%BE%E6%B3%81.pdf

Number ranges & quality

Range	Type	Notes
`Starts with 09 (10 digits, including the leading 0)`	Mobile carrier	Taiwan mobile range.

Intl SMSStable

Virtual-number riskLow

ID requiredID or a residence permit is required; real-name registration.

Taiwan +886 is on the supported list of OpenAI, Anthropic and Google — sign-up works without issues.

Carriers & prefixes

Mobile prefixes by carrier.

Number portability applies — a prefix only shows the original carrier. Since October 2005.

Chunghwa Telecom Mobile carrier
Taiwan Mobile Mobile carrier

Merged with Taiwan Star in December 2023.
Far EasTone Mobile carrier

Merged with Asia Pacific Telecom in December 2023.

This section checked 2026-09-13. Sources: www.ithome.com.tw/news/155204 · moda.gov.tw/press/clarification/3619 · www.ncc.gov.tw/chinese/files/14050/%E8%A1%8C%E5%8B%95%E9%80%9A%E4%BF%A1%E7%B6%B2%E8%B7%AF%E6%A5%AD%E5%8B%99%E7%94%A8%E6%88%B6%E8%99%9F%E7%A2%BC%E6%A0%B8%E9%85%8D%E7%8F%BE%E6%B3%81.pdf

SIM cards & keeping a number

A Taiwan prepaid SIM must first be bought in person at an operator’s own store (airports included) with two IDs. After that, every top-up restarts a 180-day validity, so one top-up every six months keeps the number.

Chunghwa Telecom prepaid (如意卡)

Number-keeping SIM

Network: Chunghwa Telecom
Price: Top-ups from NT$300, balance capped at NT$5,000
Keeping the number: Valid 180 days from activation; each top-up restarts 180 days from that date. If it lapses, the number is cancelled.
ID check: Two original IDs: a passport (mainland visitors may use the entry permit) plus an entry/visa document or another official photo ID
SMS & calls: A normal Taiwan number; SMS and calls work

Pros

Taiwan’s best-covered network
Clear rule: top up once every six months

Watch out

First purchase must be in person in Taiwan
Each top-up is at least NT$300

Where to buy: cht.com.tw

Sources: www.cht.com.tw/home/campaign/prepaidcard/intro · www.cht.com.tw/home/campaign/prepaidcard/applynew

From user and blogger reports; platform risk rules change often — treat as a guide only. This section checked 2026-09-14.

Sign-up availability

What to expect when signing up for these services with a physical SIM from this country:

ChatGPT Works

Claude Works

WhatsApp Works

Telegram Works

LINE Works

WeChat Works

X Works

TikTok Works

Gemini Works

Jump to another country

Calling Taiwan from abroad

Dial +886, then the local number. Drop the leading trunk prefix 0. E.g. the landline 02 1234 5678 is dialled from abroad as +886 2 1234 5678.

Generate the full number →

Dialing within Taiwan

For domestic long distance dial 0 first, then the area code. Local calls and mobiles: dial directly.

Elsewhere in Asia

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Common premise & disclaimer

Applies to every platform: VoIP / virtual numbers and heavily-reused number pools get rejected. Physical SIM only.

Checked 2026-09-12. Platform region policies and number-range allocations change — always confirm against each platform’s official supported-regions list and the carrier’s notices.

Sources：help.openai.com/articles/7947663 · www.anthropic.com/supported-countries · support.google.com/gemini?p=gemini_web_availability