Area Code 6670 – Tralee/Dingle/Killorglin/Cahersiveen
The phone area code for Tralee/Dingle/Killorglin/Cahersiveen is 6670 (international format +3536670). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 6670
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Tralee/Dingle/Killorglin/Cahersiveen
Geographic Coverage and Administrative Jurisdiction
The Irish area code 066 serves the southwestern region of County Kerry, encompassing the principal towns of Tralee, Dingle, Killorglin, and Cahersiveen. This geographic allocation falls under the jurisdiction of the Commission for Communications Regulation (ComReg), Ireland's national regulatory authority. The code covers the Dáil constituencies of Kerry and the municipal districts of Tralee and Kenmare, reflecting a mix of urban centers and extensive rural areas along the Atlantic coast.
Dialing Formats and Number Structure
Within Ireland, calls to any subscriber in the 066 area require the national trunk prefix 0 followed by the area code and the subscriber's local number. For example, a local call to a Tralee business would be dialed as 066 7123456. Internationally, callers must drop the leading zero and use the country code +353, resulting in +353 66 7123456. The full international format is +353 66 7XXXXXX, where the subscriber number typically consists of seven digits after the area code, though some older lines may have fewer digits. It is crucial to omit the initial '0' when dialing from abroad.
Overlay and Numbering Considerations
As of the latest ComReg numbering plan, the 066 area code does not have an overlay code; it remains a single geographic code for the Kerry region. However, subscribers may have ported their numbers to alternative service providers, including VoIP operators, while retaining the geographic number. This means that the prefix does not guarantee a fixed-line connection; it may route to a nomadic VoIP service. Callers should be aware that calls to 066 numbers are generally charged at standard national rates when dialed from within Ireland, but the exact tariff depends on the caller's operator and plan.
Caller Instructions
For local callers within the 066 area, it is possible to dial the local number without the area code if the call is within the same exchange, but for clarity and to avoid misdialing, it is recommended to always use the full national format. For callers from other parts of Ireland, dial 066 followed by the subscriber number. For international callers, dial your country's exit code (e.g., 00 or +), then 353, then 66, and then the subscriber number. Always verify the number length, as some older lines may have fewer digits; if in doubt, consult the local directory or the service provider.