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 Pennsylvania:

Acme, PA 15610
Adah, PA 15410
Avis, PA 17721
Bath, PA 18014
Elco, PA 15434
Erie, PA 16501
Erie, PA 16502
Erie, PA 16503
Erie, PA 16504
Erie, PA 16506
Erie, PA 16507
Erie, PA 16508
Erie, PA 16509
Erie, PA 16511
Etna, PA 15223
Gap, PA 17527
Gray, PA 15544
Home, PA 15747
Huey, PA 16248
Hyde, PA 16843
Kane, PA 16735
Kent, PA 15752
Knox, PA 16232
Lawn, PA 17041
Mars, PA 16046
Muir, PA 17957
Muse, PA 15350
Oley, PA 19547
Ono, PA 17077
Palm, PA 18070
Park, PA 15690
Penn, PA 15675
Plum, PA 15239
Polk, PA 16342
Reno, PA 16343
Rew, PA 16744
Rome, PA 18837
Todd, PA 16685
Troy, PA 16947
Wall, PA 15148
Wood, PA 16694
Yoe, PA 17313
York, PA 17401
York, PA 17403