Network & carriers
Ireland's telecom market is regulated by ComReg, with Eir, Vodafone, and Three as the major network operators.
+353 · IE · UTC+0
Ireland
Country Code & Virtual Numbers
Ireland's +353 code covers a numbering system regulated by ComReg, with Dublin's 01 code covering the country's largest business hub. Capital: Dublin · Business hours: 4:00 AM–12:00 PM EST.
// The Basics
What is the +353 country code?
Numbering format
Irish numbers drop the leading 0 internationally — a Dublin number written domestically as 01 234 5678 becomes +353 1 234 5678.
Calling culture
Irish business culture tends to be warm and conversational — some relationship-building chat is normal before getting into the substance of a call.
Did you know
Dublin's 01 area code covers a disproportionate share of Ireland's business activity, reflecting the capital's outsized role in the country's economy.
// Quick Facts
A quick read on Ireland numbers.
Irish numbers drop the leading 0 internationally — a domestic 01 number becomes +353 1 when dialed from abroad.
Best time to call Ireland from the US
Ireland is on UTC+0 · Business hours = – EST · Mon–Fri
// Why a Virtual Number
Why get a Ireland virtual number?
A +353 virtual number gives your business instant local presence in Ireland — without the overhead.
Local caller ID in Ireland
When you call from your virtual Ireland number, contacts see a local +353 number — dramatically improving answer rates.
No office needed
Establish a local presence in Ireland without renting space, hiring locally, or installing any hardware.
Instant credibility
A local +353 number helps build trust with Irish business contacts, who tend to value warmth and familiarity in a first interaction.
Routes to any device
Calls to your Ireland number ring your team on mobile, desktop, or desk phone — wherever they work.
Free tools
Look up a number from Ireland
Phone number checkerCheck the country and format of a number from Ireland instantly.Phone number validatorValidate a number against its country's formatting rules (E.164).Carrier lookupCheck a number's country and format for free; live carrier data comes with the Lookup API.All country codesDialing codes, time zones and calling guides for every country.
Frequently Asked
Ireland questions answered.
Answers about Ireland's ComReg-regulated carriers, conversational business culture, and getting a local +353 virtual number.
Dial 011 (the US exit code), then 353, then the national number, leaving out any domestic trunk prefix (such as a leading 0).
Start calling Ireland, not tomorrow.
Get a virtual Ireland number or make direct international calls to +353 — active in under ten minutes.