How to Call United States from Ireland | Dialing Codes Guide

How to Call United States from Ireland?

Step 1	International Access Code or Exit code for Ireland	00
Step 2	Dial the Country Code for United States	001 or Alternatively “+” Sign i.e. +1
Step 3	Dial the “Area Code” for the city you are calling in United States	Area Code for Washington, D.C.
Step 4	Dial the Phone number

Follow below dialing procedure steps to make an International Call to United States from Ireland  – Dialing Pattern Example: in Step 1, Step 2, Step 3 & Step 4

Ireland Exit Code	United States Country Code	City Code	Phone Number
00	1	City Code of Washington, D.C.	123 456789

So, dialing will be as follows: 

To Call Landline in United States from Ireland:

00 1 (Area Code of City) 123 456789 – Press Call Button on Dialpad

To Call Mobile in United States from Ireland:

00 1 123 456789 Or

+1 123 456789- Press Call Button on Dialpad (Long-press the 0 key until the + symbol appears)

Emergency Numbers in United States:

Dialing Police Phone Number	911
Dialing Fire Brigade Number	911
Dialing Emergency Number	911

List of Telecom Phone Network Operators:

1. Three Ireland: Three Ireland is the largest mobile network operator in Ireland, with a market share of approximately 36% as of 2023. It is a subsidiary of Hutchison 3G UK, a British telecommunications company. Three Ireland offers a wide range of mobile services, including voice, data, messaging, and value-added services. It has a strong network presence and offers 4G and 5G coverage across the country. 

2. Eir Mobile: Eir Mobile is the second-largest mobile network operator in Ireland, with a market share of approximately 29% as of 2023. It is a subsidiary of Eircom, an Irish telecommunications company. Eir Mobile offers a wide range of mobile services, including voice, data, messaging, and value-added services. It has a strong focus on innovation and customer service.  

3. Vodafone Ireland: Vodafone Ireland is the third-largest mobile network operator in Ireland, with a market share of approximately 25% as of 2023. It is a subsidiary of Vodafone Group, a British multinational telecommunications company. Vodafone Ireland offers a wide range of mobile services, including voice, data, messaging, and value-added services. It is known for its strong network presence and its global reach.

Mobile Virtual Network Operators (MVNOs):

1. 48: 48 is the largest mobile virtual network operator (MVNO) in Ireland, with a market share of approximately 8% as of 2023. It is a subsidiary of 3 Ireland. 48 offers a wide range of prepaid plans, as well as international calling and data services. 

2. GoMo: GoMo is another popular MVNO in Ireland, with a market share of approximately 5% as of 2023. It is a subsidiary of Eir Mobile. GoMo offers a variety of prepaid and postpaid plans, focusing on young customers and families.

3. Tesco Mobile: Tesco Mobile is a popular MVNO in Ireland, with a market share of approximately 4% as of 2023. It is a subsidiary of Tesco, a British multinational retail company. Tesco Mobile offers a variety of prepaid and postpaid plans, including SIM-only plans and contract plans. 

Time Zone Difference:

The best time to call United States is during the daytime hours in United States. This is because the time difference between Ireland and United States is UTC-4 to -12

UTC Time Difference between Ireland & United States is UTC-4 to -12 (avoide calling at inconvenient time}

If are traveling to Ireland as a Tourist and wish to make Calls & Use Data, You can also buy prepaid tourist Ireland SIM Card Online.