Hi
http://cs.elderscrolls.com/constwiki/index.php/Raw_Function_List there are a few there, do a search for cell, GetInCell might be of help
GetInCell;CS;Actor, Condition;
GetInCellParam;CS;Condition;
GetInSameCell;CS;Condition;
IsCellOwner
IsInMyOwnedCell
PositionCell
SetCellFullName;CS;;
SetCellOwnership;CS;Crime;
SetCellPublicFlag;CS;Crime;
GetParentCell;OBSE;;
GetParentCellOwner;OBSE 13;;
GetParentCellOwningFactionRequiredRank;OBSE 13;;
GetParentCellWaterHeight;OBSE 13;;
GetTeleportCell;OBSE 13;;