To make a call to USA from Sri Lanka, you will have to dial the following format:
When dialing to USA, you are recommended to drop the 1st number of the telephone number. This is mainly because, telephone numbering plans in USA utilize a so called Telephone Trunk Code (Trung Prefix). This is commonly the digit ’0‘ (zero) that is positioned in front of phone numbers for phone calls coming from inside the country. However, this particular digit have to be left out whenever you are dialling an international destination.
There are instances when an overseas phone call will not go through. Quite a few of the explanations are explained underneath:
Telephone area codes in USA are often referred to as Numbering Plan Areas (NPAs). It was formerly known as STD codes in USA.
These types of phone area codes are important only when phoning from outside the telephone code area. But it’s important when making a phone calls from the cell phones.
Telephone area codes or city codes in USA normally show geographical areas within USA that happen to be covered by hundreds of telephone exchanges.
The phone area code number in USA is by and large preceded in the dial string by the USA country code or the international access code for USA.
Phone Area codes in USA will often be quoted along with the country access code number for USA.
To make an overseas call from USA, first dial the IDD code which is “11″, followed by the country access code.
If you need to obtain more details about going to USA from Colombo, Sri Lanka, please make sure to select the related web links listed below:
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