The country code for Singapore is +65. There are no city codes or area codes.
Mobile numbers begin with +65 8 or +65 9, not including +65 800.
Landline numbers begin with +65 6.
VoIP numbers begin with +65 3.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Singapore uses telephone country code +65. Most subscriber numbers are 8 digits. Mobile numbers begin with +65 8 or +65 9.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
mobile phone
23480 is a Nigerian mobile telephone.
A UK telephone number beginning with +44 754 is a mobile.
To call a mobile in Florida from Cyprus, dial your international prefix (00), then the country code for USA (1), then the area code and mobile number. Florida has 17 area codes; in the US and Canada, mobile numbers are intermixed with landlines in the same geographic area codes.
A French telephone number beginning with +33 6 (or 06 in domestic format) is a mobile phone.
SingTel Mobile is in Singapore, which does not have area codes. Singapore is telephone country code +65.(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Turkey's area code 559 is one of the codes for Avea mobile phones, used throughout the country. However, with mobile number portability, the individual user may use a different mobile service.
Hyderabad is part of the Andhra Pradesh mobile calling circle, which has many, many different mobile codes assigned to it.
A telephone number in India beginning with 0814 is a mobile. 08142 and 08143 are in Andhra Pradesh.
A telephone number in India beginning with +91 9814 is a mobile, probably in or near Punjab.
An Australian telephone number beginning with 04, or with +61 4 in international format, is a mobile phone.
Telephone area code (STD code) 0161 is Ludhiana, Punjab. In international format, it becomes +91 161.(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)