List of states:

[AL] Alabama
[AK] Alaska
[AZ] Arizona
[FL] Florida
[GA] Georgia
[HI] Hawaii
[ID] Idaho
[IN] Indiana
[IA] Iowa
[KS] Kansas
[ME] Maine
[MT] Montana
[NV] Nevada
[OH] Ohio
[OR] Oregon
[TX] Texas
[UT] Utah
[VT] Vermont
[WY] Wyoming

List of cities in Montana:

Avon, MT 59713
Babb, MT 59411
Belt, MT 59412
Boyd, MT 59013
Elmo, MT 59915
Hall, MT 59837
Hays, MT 59527
Kila, MT 59920
Lima, MT 59739
Lolo, MT 59847
Loma, MT 59460
Molt, MT 59057
Nye, MT 59061
Pony, MT 59747
Pray, MT 59065
Roy, MT 59471
Saco, MT 59261
Sula, MT 59871
Troy, MT 59935
Ulm, MT 59485
Vida, MT 59274