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 Massachusetts:

Acton, MA 1720
Adams, MA 1220
Ashby, MA 1431
Avon, MA 2322
Ayer, MA 1432
Barre, MA 1005
Dover, MA 2030
Essex, MA 1929
Heath, MA 1346
Hull, MA 2045
Lee, MA 1238
Leeds, MA 1053
Lenox, MA 1240
Lynn, MA 1902
Onset, MA 2532
Onset, MA 2558
Otis, MA 1253
Peru, MA 1235
Rowe, MA 1367
Salem, MA 1970
Savoy, MA 1256
Stow, MA 1775
Truro, MA 2666
Waban, MA 2468
Wales, MA 1081
Ware, MA 1082