Data Book


2.20 Telephone Number Format

2.20.1 Format

Format to print and speak telephone numbers are different from country to country. However, since the difference does not have any significance for the IT process, this report simply describe the differences.

China CNA Typical telephone number format:
99-10-1234-5678 (99 is space for 2 digits country code)
<country code> - <area code in 2-4 digit> - <number 1-4digits - 4 digits>
Domestic: <area code 0+2-4 digit> - <number 1- 4 digits - 4 digits>
Hong Kong HKG 999 - 1234-5678 (999 is for 3 digits country code 852)
<country code> - <number 4 digits - 4 digits>
Domestic: <number 4 digits - 4 digits>
Separator is either "DASH"or "SPACE"
India IND 99 12-34567
<country code>- <area code M-digits> - <number N digits>
Domestic: <area code 0 + M digits> - <number N digits>
Indonesia INA 99 012-3456789
<country code> - <area code 2 or 3 digits> - <number 4-7 digits>
Domestic: <area code 0 + 2 or 3 digits> - <number 4-7 digits>
Japan JPN 99 (123) 45-6789
<country code> <area code (1-4 digits)> <number 1-4 digits - 4 digits>
Domestic: <area code (0 + 1-4 digits)> <number 1-4 digits - 4 digits>
Korea KOR 99 -1-234-5678
<country code> <area code (1-3 digits)> <number 1-4 digits - 4 digits>
Domestic: <area code 0 + 1-3 digits> - <number 1-4 digits - 4 digits>
Malaysia MAS 99 -01-2345678
<country code>- <area code 1 or 2 digits> - <number 6-7 digits>
Domestic: <area code 0 + 1 or 2 digits> - <number 6-7 digits>
Rem: Area code 02 for domestic is for call for Singapore
Philippines PHI 99 -1-234-56-78
<country code> - <area code N digits> - <number 4-7 digits>
Domestic: <area code 0 + N digits> - <number 4-7 digits>
Singapore SIN 99-01-2345678
<country code> - <area code 1 digit> - <number 7 digits>
Domestic: <area code 0 + 1 digit> - <number 7 digits>
Rem: Area code 01 for domestic isfor call for Malaysia
Thailand THI 99-12 -345 -6789
<country code>- <area code 1 digits> - <number 3-4 digits> in Bangkok
<country code>- <area code 2 digits> - <number 3-3 digits> in other provinces
Domestic: <area code 0+1 digits> - <number 3-4 digits> in Bangkok
<area code 0+2 digits> - <number 3-3 digits> in other provinces

rem-1: For some countries, carrier code for alternative carrier to be added (mostly in front of area code).
rem-2: CCITT E.123 recommends a format for telephone number.
rem-3: Related standards: CCITT E.123:1988, CCITT E.163:1988.

2.20.2 Country code (TELEPHONE NUMBER)

Following are the country codes of the countries

China CNA 86
Hong Kong HKG 852
India IND 91
Indonesia INA 62
Japan JPN 81
Korea KOR 82
Malaysia MAS 60
Philippines PHI 63
Singapore SIN 65
Thailand THI 66


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