By Instanced Zone: Acrylia Caverns - AoC in Grimling, at AC ent Akheva Ruins - AoC in ME, at AR ent Grieg's End - AoC in Scarlett Desert, at GE ent. Katta Castellum - AoC in Twilight Sea, at base of ramp to Katta on the dock. Sanctus Seru - AoC in Sanctus, in the center of the zone near the Arx building, front right corner as you enter the central part. Ssraeshza Temple - AoC in The Grey, just east of Mons Letalis zone line. The Deep - AoC in Echo Caverns, at the Deep zone line. Umbral Plains - AoC in ME, at the AR ent. Vex Thal - AoC in Umbral Plains, just before the ramp to Vex Thal. No AoC: Dawnshroud Peaks Echo Caverns Fungus Grove Grimling Forest Hollowshade Moor Maiden's Eye Marus Seru Mons Letalis Netherbian Lair Paludal Caverns Scarlet Desert Shadeweaver's Thicket Shadow Haven Shar Vahl Tenebrous Mountains The Bazaar The Grey The Nexus Twilight Sea I think this is all correct, I don't recall if the Umbral Plains AoC is at AR or at UP zoneline in ME. I was fairly sure it was shared with the AR one but I was too lazy to confirm.
The AoC for Umbral Plains is the same AoC used for Akheva Ruins. http://everquest.allakhazam.com/wiki/EQ:Progression_Luclin#Umbral_Plains