International Dialing Codes and Phone Formats

International Dialing Codes and Phone Formats | Generated by AI

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Here’s a clear overview of major countries’ international dialing codes and how their phone number structures usually work:

China

Code: +86
Structure: Mobile numbers are 11 digits (e.g., +86 138 1234 5678). Landlines vary (area code 2–3 digits + 7–8 digit local number).

United States / Canada

Code: +1 (shared under the North American Numbering Plan, NANP)
Structure: 10 digits after +1 → +1 (AAA) BBB-CCCC (area code + 7-digit number).

United Kingdom

Code: +44
Structure: Typically 10 digits after the code, e.g., +44 7XXX XXXXXX for mobiles. Leading 0 is dropped in international format (07 → +44 7).

India

Code: +91
Structure: Mobile numbers are 10 digits, e.g., +91 98765 43210. Landline numbers have 2–4 digit area codes + local number.

Hong Kong

Code: +852
Structure: 8 digits, no area codes (e.g., +852 5123 4567).

Macau

Code: +853
Structure: 8 digits, no area codes (e.g., +853 6612 3456).

Japan

Code: +81
Structure: Drop leading 0 → mobiles look like +81 90-1234-5678.

South Korea

Code: +82
Structure: Drop leading 0 → mobiles look like +82 10-1234-5678.

Singapore

Code: +65
Structure: 8 digits, no area codes (e.g., +65 8123 4567).

Australia

Code: +61
Structure: Drop leading 0 → mobiles look like +61 4XX XXX XXX.

Germany

Code: +49
Structure: Drop leading 0 → mobiles like +49 151 12345678. Area codes vary for landlines.

France

Code: +33
Structure: Drop leading 0 → mobiles like +33 6 12 34 56 78.

Italy

Code: +39
Structure: Mobile numbers often 10 digits, starting with 3.

Brazil

Code: +55
Structure: (AA) NNNNN-NNNN (2-digit area code + 8–9 digit number).

Russia

Code: +7
Structure: 10 digits after code → +7 (AAA) BBB-CC-DD.

✅ Summary for your specific question:

UK (giffgaff) → +44, usually +44 7XXXXXXXXX (mobile, 10 digits after +44).
India → +91, 10-digit mobile.
China → +86, 11-digit mobile.
USA → +1, 10-digit number.
HK/Macau → +852 and +853, both 8 digits.

Do you want me to also list a quick cheat sheet of all G20 countries’ codes and phone formats so you have a compact global reference?

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