How To Call Ireland From The US: Updated For 2025
Quick Answer
To call Ireland from the United States:
- Landline:
011 + 353 + Area Code (1-2 digits, drop leading 0) + Local Number (5-7 digits) - Mobile:
011 + 353 + Mobile Prefix (e.g., 83, 85, 86, 87, 89) + Subscriber Number (7 digits)
Examples:
- For a Dublin landline (Area Code 1):
011 + 353 + 1 + XXX XXXX - For a Cork landline (Area Code 21):
011 + 353 + 21 + XXX XXX - For an Irish mobile phone (e.g., Vodafone 87):
011 + 353 + 87 + XXX XXXX
Ireland is on GMT (UTC+0) in winter and IST (UTC+1) in summer. This is generally 5 hours ahead of US Eastern Time (ET).
How to Dial Ireland from the US
How to Call a Landline in Ireland
To call an Irish landline from the United States, follow these steps:
- Step 1 – Dial the US exit code: Start by dialing
011. - Step 2 – Dial Ireland's country code: Next, key in
353. - Step 3 – Dial the Irish Area Code: Irish area codes (National Significant Number or NSC) are 1 or 2 digits. If you have a local number starting with '0' (e.g.,
01for Dublin), drop the leading '0' and dial1. - Step 4 – Dial the local phone number: Dial the remaining digits of the local number (typically 5-7 digits). The total number of digits after the country code (Area Code + Local Number) is usually 8 or 9.
For example:
- To call a Dublin number that is locally
01 XXX XXXX, you would dial:011 353 1 XXX XXXX - To call a Cork number that is locally
021 XXX XXX, you would dial:011 353 21 XXX XXX
How to Call a Mobile Phone in Ireland
Calling an Irish mobile phone from the US involves these steps:
- Step 1 – Dial the US exit code: Start by dialing
011. - Step 2 – Dial Ireland's country code: Next, key in
353. - Step 3 – Dial the Irish mobile number: Irish mobile numbers are 9 digits long and start with a prefix like
83, 85, 86, 87, 89. Do NOT drop this leading8.
For example, if the Irish mobile number is 087 XXX XXXX, you would dial: 011 353 87 XXX XXXX from the US.
Understanding Irish Phone Numbers
Irish phone numbers are structured with the country code +353. When dialing from abroad, the leading 0 of the national number is dropped. The number following +353 is usually 8 or 9 digits long.
Landline Numbers
- Format from US:
011 + 353 + Area Code (1-2 digits) + Local Number (5-7 digits) - Total digits after +353: Typically 8 or 9.
Mobile Numbers
- Format from US:
011 + 353 + Mobile Prefix (e.g., 8X) + Subscriber Number (7 digits) - Total digits after +353: Always 9.
Irish Area Codes (Fixed Lines)
This is a list of National Significant Numbers (NSNs) or area codes for landlines in Ireland. Remember to dial 011 + 353 before these codes (dropping any leading '0' from the local area code) and then the local number.
| Area/City | Area Code (Dial after 353) | Total Digits after +353 |
|---|---|---|
| Dublin City & County | 1 | 8 (1 + 7 digits) |
| Cork City & County | 21 | 9 (21 + 7 digits) |
| Bandon, Kinsale (Co. Cork) | 23 | 9 (23 + 7 digits) |
| Mallow, Fermoy (Co. Cork) | 22, 25 | 9 (2X + 7 digits) |
| Skibbereen (Co. Cork) | 28 | 9 (28 + 7 digits) |
| Youghal (Co. Cork) | 24 | 9 (24 + 7 digits) |
| Drogheda, Ardee (Co. Louth/Meath) | 41 | 9 (41 + 7 digits) |
| Dundalk (Co. Louth) | 42 | 9 (42 + 7 digits) |
| Letterkenny, Donegal Town (Co. Donegal) | 74 | 9 (74 + 7 digits) |
| Sligo Town & County | 71 | 9 (71 + 7 digits) |
| Galway City & County | 91 | 9 (91 + 7 digits) |
| Ballinasloe (Co. Galway/Roscommon) | 90 | 9 (90 + 7 digits) |
| Tuam (Co. Galway) | 93 | 9 (93 + 7 digits) |
| Limerick City & County | 61 | 9 (61 + 7 digits) |
| Ennis (Co. Clare) | 65 | 9 (65 + 7 digits) |
| Nenagh (Co. Tipperary) | 67 | 9 (67 + 7 digits) |
| Tralee, Killarney (Co. Kerry) | 66, 64 | 9 (6X + 7 digits) |
| Waterford City & County | 51 | 9 (51 + 7 digits) |
| Clonmel (Co. Tipperary) | 52 | 9 (52 + 7 digits) |
| Wexford Town & County | 53 | 9 (53 + 7 digits) |
| Kilkenny City & County | 56 | 9 (56 + 7 digits) |
| Carlow Town & County | 59 | 9 (59 + 7 digits) |
| Portlaoise (Co. Laois) | 57 | 9 (57 + 7 digits) |
| Athlone (Co. Westmeath/Roscommon) | 90 | 9 (90 + 7 digits) |
| Mullingar (Co. Westmeath) | 44 | 9 (44 + 7 digits) |
| Tullamore (Co. Offaly) | 57 | 9 (57 + 7 digits) |
| Naas, Newbridge (Co. Kildare) | 45 | 9 (45 + 7 digits) |
| Navan (Co. Meath) | 46 | 9 (46 + 7 digits) |
| Cavan Town & County | 49 | 9 (49 + 7 digits) |
| Monaghan Town & County | 47 | 9 (47 + 7 digits) |
| Longford Town & County | 43 | 9 (43 + 7 digits) |
| Castlebar, Ballina (Co. Mayo) | 94, 96 | 9 (9X + 7 digits) |
| Roscommon Town & County | 90 | 9 (90 + 7 digits) |
| Carrick-on-Shannon (Co. Leitrim) | 71 | 9 (71 + 7 digits) |
| Wicklow Town & County | 404 | 9 (404 + 6 digits) |
| Arklow (Co. Wicklow) | 402 | 9 (402 + 6 digits) |
Irish Mobile Phone Prefixes
Irish mobile numbers are 9 digits long after the +353 country code and start with 8X.
| Operator | Common Prefixes (after 353) |
|---|---|
| Vodafone Ireland | 87 |
| Three Ireland (includes former O2) | 83, 86 |
| Eir Mobile (includes former Meteor) | 85 |
| MVNOs (e.g., Virgin, Lyca, Tesco, Postmobile) | 89 (also utilize other prefixes) |
*Number portability is active in Ireland, so a prefix does not definitively indicate the current operator.
Time Difference
Ireland operates on Greenwich Mean Time (GMT), which is UTC+0, during the winter months and Irish Standard Time (IST), which is UTC+1, during the summer months (roughly late March to late October).
The time difference compared to the US East Coast (ET):
- During US Standard Time (EST, UTC-5) & Irish Winter Time (GMT, UTC+0): Ireland is 5 hours ahead of ET. (e.g., 12 PM EST is 5 PM GMT in Ireland).
- During US Daylight Time (EDT, UTC-4) & Irish Summer Time (IST, UTC+1): Ireland is 5 hours ahead of ET. (e.g., 12 PM EDT is 5 PM IST in Ireland).
- During brief transition periods when DST doesn't align, the difference can be 4 or 6 hours, but for most of the year, Ireland is 5 hours ahead of the US East Coast.
Ireland's Phone System
Ireland has a modern and competitive telecommunications system. Mobile phone usage is very high, with excellent 4G and rapidly expanding 5G coverage provided by major operators like Vodafone, Three, and Eir. Numerous Mobile Virtual Network Operators (MVNOs) also offer services. Landline infrastructure is robust, with widespread availability of broadband services, including fiber connections (FTTH/FTTC).
Best Times to Call
Considering the time difference (Ireland is generally 5 hours ahead of US ET):
- A good window for business calls from the US is typically morning ET (e.g., 9 AM - 12 PM ET), which corresponds to afternoon in Ireland (2 PM - 5 PM GMT/IST).
- Irish business hours are generally Monday to Friday, 9:00 AM to 5:30 PM.
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- Dial the local access number provided with your card.
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- Dial the full international number for Ireland:
011 + 353 + Irish Number(Area Code/Mobile Prefix + Local Number).
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