List of dialling codes in the Republic of Ireland
Country code: +353
International call prefix: 00
Trunk prefix: 0
This is a list of telephone dialling codes for Ireland. Fixed-line telephone users do not need to dial the dialling code when they are contacting someone else within their own area.
Geographic codes
Irish geographic codes generally correspond to the areas in the list below. Some exceptions and overlap may apply, as the codes reflect the evolution & technical history of the telephone network, rather than exact geographical county & town boundaries.Dublin area (01)
| Code | Numbering area |
| 01 | Dublin |
Cork area (02)
East, Midlands and Northern area (04)
Midlands and Southeast area (05)
Southwest area (06)
Northwest area (07)
Western area (09)
Mobile codes
Other codes
Special codes and numbers
These codes, unlike most of the above, cannot be dialled from abroad.The following are special numbers dialled by themselves:
| Number | Purpose |
| 999 or 112 | Emergency services |
| 13XXX | Carrier Pre Select Codes |
| 1471 | Last-call return |
| 171 | Mobile and fixed line voicemail |
| 172, 173, 174X and 179 | Reserved for network use |
| 1901–1999 | Helpline / customer service numbers for telecommunications companies. All are free of charge. |
| 199000 | Identifies current number on OpenEir PSTN & ISDN lines. |
The following codes begin special phone numbers:
| Code | Purpose |
| 116 | Harmonised service of social value |
| 118 | Directory enquiries services |
| 151X | Premium-rate numbers |
| 15X0 | Premium rate numbers |
| 1598 and 1599 | Premium rate adult services |
| 1800 | Freephone / Toll Free |
| 1850 | Non-geographical due to be phased out. |
| 1890 | Non-geographical due to be phased out. |
| 1891 | Dial-up internet access, local rate |
| 1892 | Dial-up internet access, pay as you go |
| 1893 | Dial-up internet access, partial/full flat-rate |
| 199 | Network engineering tests |
The following prefix regular phone numbers in order to affect how they are handled:
| Code | Purpose |
| 13 | Carrier Selection - Allows users to select specific carriers, other than their default service. This will override carrier preselection. |
| 141 | Withhold Caller ID - |
| 142 | Present Caller ID |
Legacy, Historic and Obsolete codes
| Code | Purpose |
| 03 | Calls to Great Britain |
| 0300 | Premium Rate |
| 08 | Calls to Northern Ireland |
| 10 | Operator Assistance |
| 114 | International Operator Assistance |
| 1191 | Speaking clock |
| 16 | Former International Access Code |
| 17 | Callback tests |