Who did you buy her from?
Usually it is harder to tell locale for females; they don't have the bright colors that males do. Usually only locales and genetics matter when you are breeding, to ensure that the female and male come from the same locale and will produce the same locale offspring.
If you bought her from a big store or don't know the breeder, it might be impossible to tell.
I don't know if there is a way to distinguish locales by lines (other than color in males), other than the "u" bars and "v" bars of some different locales.