East Helena

ZIP Code(s): 59635; County(s): Lewis and Clark;

Lincoln

ZIP Code(s): 59639; County(s): Lewis and Clark;

Helena West Side

ZIP Code(s): 59601, 59602, 59636; County(s): Lewis and Clark;

Helena

ZIP Code(s): 59601, 59602, 59623, 59624, 59625, 59626; County(s): Lewis and Clark;