Area Code 477 – Monaghan
The phone area code for Monaghan is 477 (international format +353477). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 477
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Monaghan
Geographic Overview
The +353 477 area code is a geographic National Destination Code (NDC) assigned to the town of Monaghan and its surrounding areas in County Monaghan, located in the northern part of the Republic of Ireland. This code forms part of the Irish national numbering plan administered by ComReg. Geographically, the area is part of the Border Region, sharing a land border with Northern Ireland. The principal urban centre is Monaghan Town, which serves as the county seat and main commercial hub. Other towns and villages within this code include Clones, Castleblayney, and Carrickmacross, though some of these may have different codes; the 477 code specifically covers the Monaghan exchange area.
Dialing Formats
When calling a landline in Monaghan from within Ireland, subscribers must dial the national significant number (NSN) which includes the area code followed by the local subscriber number. The full national format is 047 7XX XXXX (or more precisely, the area code is 047, and the subscriber number is seven digits). However, the international format for callers from abroad is +353 47 7XX XXXX. Note that the leading '0' of the area code is dropped when dialing internationally. For example, a local number might be 047 7123456; from overseas, you would dial +353 47 7123456.
Caller Instructions
Local callers: When dialing within the Monaghan area, you may need to include the area code if you are calling from a different exchange, but within the same NDC, you can often dial just the local number. However, due to number portability and mobile usage, it is always safe to dial the full national number (including the area code) to ensure connectivity. International callers: Replace the international access code (00 or +) with your country's exit code, then dial 353 (Ireland's country code), then the area code without the leading zero (47), followed by the subscriber number. Ensure you have the correct number of digits; Irish geographic numbers are typically 7 to 8 digits after the area code.
Overlay and Regulatory Notes
As of the latest ComReg updates, there is no overlay code for the Monaghan area; the 047 code is the sole geographic code for this region. However, due to the liberalisation of the telecom market, subscribers may have ported their numbers to alternative providers, including VoIP or mobile networks, but the geographic code remains associated with the original location. For emergency services, always dial 112 or 999, which are free from any phone.