phones Country calling codes · EN / 中文
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Taiwan +886

International code · Asia

How to dial

Calling from abroad +886 912 345 678

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 →

Calling a mobile locally 0912 345 678

For domestic long distance dial 0 first, then the area code. Local calls: dial directly. Mobiles are dialled with the leading 0 as well.

Mobile length
9 digits
Mobile prefixes
9XX XXX XXX
Landline format
0X XXXX XXXXe.g. 02 1234 5678
International format
+886 X XXXX XXXX
Domestic trunk
0

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

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.
3 sources
help.openai.com/articles/7947663www.anthropic.com/supported-countriessupport.google.com/gemini?p=gemini_web_availability

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.
1 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

RangeTypeNotes
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.

Porting rules in full

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.
3 sources
www.ithome.com.tw/news/155204moda.gov.tw/press/clarification/3619www.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

2 sources
www.cht.com.tw/home/campaign/prepaidcard/introwww.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.

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Other countries

Elsewhere in Asia