You can pay via http://www.motortax.ie ... it will accept for any council ... but you must have the password from your renewal form.
You cannot physically pay in one area for another.
Easiest way is the site .... pay with Laser/CC ...
... GF taxed two cars in Kerry last week, one tax disc had Kerry on it, the other had Dublin. Go figure
Not if you tax online.Road tax is paid within the county you reside ... regardless of reg number.