EXIT CODE
This is the code you need to dial OUT from a country. It is also referred to as the IDD code (International Direct Dialing) or ISD code (International Subscriber Dialing)
COUNTRY CODE
This is the code you need to dial IN to a country. Each country is assigned a unique country code.
AREA CODE
This is the code for a part of the country. It is usually a general area or a city. Some countries are not large enough to warrant their own code, so will have the country code 1 and use the area code to define the country.
LOCAL NUMBER
This is the local number you would like to call.
Dialing Code for USA is 1 | |
| Here is some useful travel information about USA. | |
| Flag |  |
| Region | North America |
| ISO 2 digit Code | US |
| ISO 3 digit Code | USA |
| Capital City | Washington DC |
| Currency | Dollar |
| Population | 310,232,863 |
| Area (SQ KM) | 9,629,091 |
IDD / Exit code for Singapore is 001 | |
| Here is some useful travel information about Singapore. | |
| Flag |  |
| Region | Asia |
| ISO 2 digit Code | SG |
| ISO 3 digit Code | SGP |
| Capital City | Singapore |
| Currency | Dollar SGD |
| Population | 4,701,069 |
| Area (SQ KM) | 693 |
This page helps you call from Singapore to USA using international country codes.
Area Codes for USA are also supplied. Country Code 1 is for USA. The dialing code is also described as phone code 1 or dialing code 1 and is sometimes described as a calling code or international dialing code.
The dialing code for USA is 1.
Exit codes and dialing codes are required to call from Singapore to USA.
To call internationally from Singapore uses IDD code 001 . IDD codes are known as exit codes and exit code 001 is Singapore.
The exit code for Singapore is 001 .
The area code for Albany is 518.