Where can I find OEM Paint for touchups?

[chris91LX]

I'm looking for an aerosol can of my factory color to touch up some small rust spots and the underside of my hood. I found some at a place about 6 years ago for another car but I have no idea who they were. I couldn't get hold of the parts dept. at the local Ford Dealer (probably an emergency at the water cooler and donut box), and the guy at Auto Zone didn't exactly instill me with confidence that he knew what he was talking about. Anyone know a good place to find this? My paint code is EP if it helps.

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91 LX 5.0
Z t-5, 3:73 gear, Vortech 73mm Mass Air, Accufab 65mm TB, BBK underdrives, Crane HI-6S Ignition, BBK unequal length headers, Bassani x pipe, 2.5" Dynomax Super Turbo cat back, Kenny Brown Super Subs, Factory Five Control Arms, Mac cold air kit and more to come!