Area Code 5677 – Kilkenny
The phone area code for Kilkenny is 5677 (international format +3535677). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 5677
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Kilkenny
Overview of Area Code 5677
Area code 5677 is a geographic National Destination Code (NDC) within the Irish telephone numbering plan, assigned to the city of Kilkenny and its surrounding areas. It is part of the larger 056 numbering area, which serves County Kilkenny and parts of County Laois and County Tipperary. The 5677 prefix is used for local landline numbers, typically allocated to businesses and residences within the Kilkenny exchange area.
Geographic Coverage and Administration
The 5677 code covers Kilkenny City, the county seat of County Kilkenny, and the immediate hinterland. This includes the historic city center, suburbs such as Loughboy and Callan Road, and nearby villages that rely on the Kilkenny exchange. The area is administered under the Irish national numbering plan by ComReg (Commission for Communications Regulation), which oversees the allocation of geographic numbers to licensed operators.
Dialing Formats and Usage
- National dialing (within Ireland): Dial
056 77xxxxx(where xxxxx is the subscriber number). The leading zero is used for all domestic calls. - International dialing (from abroad): Dial
+353 56 77xxxxx. The leading zero is omitted, and the country code +353 is used. - Local dialing: In some cases, local calls within the same exchange may be made using only the subscriber number, but this is not common for landline-to-landline calls. Always use the full national format for reliability.
Caller Instructions
For callers within Ireland, simply dial 056 77xxxxx to reach a Kilkenny landline. For international callers, replace the leading zero with the country code: +353 56 77xxxxx. For example, a typical Kilkenny number might be 056 7712345 or internationally +353 56 7712345.
Overlay and Numbering Considerations
Currently, there is no overlay code for the 056 area; the 056 NDC is the sole geographic code for the region. However, due to the increasing demand for numbers, ComReg has implemented measures to ensure efficient use of numbering resources. Subscriber numbers under 056 are typically 7 digits long, making the total number length 9 digits when including the leading zero (or 8 digits after the country code).
It is important to note that geographic numbers are tied to a physical location, and while they can be used for VoIP services, the number's geographic association remains. This can affect emergency services routing and number portability. If you move to a different area, you may need to change your number, unless you retain it for business continuity.