How Country Codes Are Used
The International Organization for Standardization has developed the system of country codes to represent countries and country subdivisions. The system was published in 1997 as ISO 3166-1. In this article we'll explain how country codes are used and discuss some of the different types. To get started, you should know what each of these different types of codes are. The codes are a combination of letters and numbers that refer to a country. Listed below are some examples of their use. See here to get more details on Country 3 DIGIT ISO.
The US is made up of 50 states and territories. As such, each state and territory has a unique country code. To call someone in a different US state, you must dial the country code that matches the state. Using a mobile phone, you can also use the + key before the country code. This will work no matter where you're calling from. Depending on your carrier, you can dial any two or three-character code to make an international call. View this page to get more enlightened on Country 2 DIGIT ISO.
Most countries use two-digit country codes, such as 33 for France, 44 for the United Kingdom, or 1 for the US. Some smaller countries have three-digit international telephone codes, such as the Republic of Ireland, which is 353. When dialling an international phone number, you'll need to include the country code and the national telephone number. To dial a country code, simply type the plus sign (++) after the phone number. Alternatively, you may be able to dial the country code and just type in the number you're calling.
Another common misconception is that calling codes differ from country codes. The international dialing codes (IDDs) are more general and are used to make international calls. The IDDs are different from country to country, and it's important to note that the IDDs for countries in the same region differ. So you need to know what you're doing before dialing a country code. This way, you'll be sure that you're dialing the right country code. Find out more details in relation to this topic here: https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes.