Area Code 91 – Galway
The phone area code for Galway is 91 (international format +35391). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 91
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Galway
Geographic Coverage and Administrative Jurisdiction
The +353 91 country-code/destination-code combination is the ITU-T E.164-assigned geographic prefix for the county of Galway in the Republic of Ireland. This National Destination Code (NDC) covers the city of Galway and the surrounding county, including major towns such as Tuam, Loughrea, Ballinasloe, Gort, and Clifden. The area is administered by Galway City Council and Galway County Council. As a geographic code, it is tied to the PSTN infrastructure of the region, though calls may be delivered over modern IP-based networks.
Dialing Formats and Caller Instructions
For callers within Ireland, the national dialing format is 091 xxx xxx (where x represents the local subscriber number). The leading '0' is the national trunk prefix. For international callers, the format is +353 91 xxx xxx (or 00353 91 xxx xxx from most countries). When dialing from abroad, omit the leading '0' of the national prefix. Local calls within the Galway area can be made using the 7-digit subscriber number without the area code, but due to number expansion, this is not always possible; always use the full national format for reliability.
Numbering and Overlay Considerations
Galway numbers are 7 digits long after the NDC, giving a total of 9 digits for the national significant number (NSN) when including the leading '0'. There is no overlay code for Galway; the 091 prefix is exclusive to this geographic area. However, the Commission for Communications Regulation (ComReg) has implemented mobile number portability, meaning that a number starting with 091 is always a fixed-line number, but it may be routed to a VoIP or mobile service if the user has ported it.
Practical Usage and Cost
Callers from outside Ireland should note that the cost of calling a Galway number depends on their telecom provider's international tariff. Within Ireland, calls to 091 numbers are typically included in national call packages. For businesses, having a Galway geographic number can establish a local presence, and it is often used by companies operating in the region. Emergency services (112/999) are always free and separate from this numbering range.