How many digits are in a typical Irish mobile phone number?

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A standard Irish mobile phone number would have 10 digits, including the mobile prefix. This is the format adopted for mobile numbers in Ireland to maintain uniformity and make them easily identifiable.

Structure of Irish Mobile Numbers
Irish mobile numbers are usually in the format:

08X XXX XXXX

Mobile Prefix (08X):
In Ireland, mobile numbers start with the Ireland Phone Number Data prefix 08, followed by a third digit (0–9) which identifies the mobile operator. Examples include:

083 - Three Ireland
085 - eir Mobile
086 - Vodafone
087 (Meteor, now part of eir Mobile)
These are carrier specific prefixes but with mobile number portability it is now possible to transfer a mobile number between different networks.
Subscriber Number:
Following the prefix are seven digits that constitute the subscriber number; this brings the total length of the mobile number to 10 digits.
Dialling Irish Mobile Numbers
When calling an Irish mobile number from within Ireland, you'd dial the full 10-digit number, such as 087 123 4567. However, calling from outside Ireland requires adding in Ireland's country code, +353, and dropping the zero from the beginning of the mobile prefix. For instance:



Dial +353 87 123 4567 from outside Ireland.
Examples of Mobile Numbers
Within Ireland: 085 987 6543
From abroad: +353 85 987 6543
Comparison to Other Numbers
Unlike some landline numbers in Ireland, which may differ in digit length depending on the region, mobile numbers are consistently 10 digits long. This uniformity makes it easier to dial and clearer for both domestic and international calls.

Irish mobile phone numbers are designed to be easy to use and universally understood, whether you're calling locally or internationally. In their fixed 10-digit format, they provide a clear standard in the country's telecommunication system.