Calling London from Taiwan: Complete Dialing Guide

To call a London landline or mobile from Taiwan, follow this sequence:

Dialing Format

002 (or 009, 019) — 44 — 20 — XXXX XXXX (landline)
002 (or 009, 019) — 44 — 7XXX XXXXXX (mobile)

Step-by-Step Breakdown

1. International Access Code (Exit Code) from Taiwan:
   • 002 — Chunghwa Telecom (default for most landlines).
   • 009 — Taiwan Mobile / Taiwan Fixed Network.
   • 019 — Asia Pacific Telecom / other VoIP providers.
   • Check your provider; 002 works for most.
2. Country Code for United Kingdom: 44
3. London Area Code: 20 (drop the leading '0' from UK domestic format 020).
4. Local Number: 8 digits (landline) or 10 digits starting with 7 (mobile).

Concrete Examples

• Landline: (020) 7946 0123 → Dial: 002 44 20 7946 0123
• Mobile: 07700 900123 → Dial: 002 44 7700 900123

Important Notes

• Drop the trunk prefix '0': UK numbers start with 0 domestically (020, 07...). Always omit it when dialing internationally.
• Time Difference: Taiwan (UTC+8) is 7–8 hours ahead of UK (UTC+0/GMT or UTC+1/BST). Check before calling.
• Cost: International rates apply. Use VoIP (WhatsApp, Skype, Line, FaceTime, Zoom) over Wi-Fi/data for free/cheap calls.
• Mobile Roaming: If using a Taiwanese SIM in UK, dial +44 20 XXXX XXXX (the '+' replaces exit code).

Quick Reference Card

Save contacts in +44 format (e.g., +44 20 7946 0123) — works from any country.