How to call Singapore from the USA/Canada:

dial 011 + 65 + phone number

Calling from another country?

The time in Singapore is now 08:14:26am

Calling Singapore from the United States explained:

011 - US exit code; dial first for international calls made from the USA or Canada
65 - Country Code for Singapore
Phone Number - 8 digits; first digit is either 3 or 6 for fixed lines
US to Singapore international dialing format: 011 65 ???? ????

How to dial to Singapore cellular:

dialing format for calls to a cell phone: 011 65 8??? ???? (or 9??? ????)

Phone Books:

Singapore White and Yellow Pages
PanPages - comprehensive business directory