Some I can think of (or that Rand McNally reminds me of):
Colorado:
Bedrock
Paradox
Climax
Punkin Center
Last Chance
Joes
Dinosaur
Parachute
Silt
French Lick and Gnaw Bone, Indiana
Mississippi:
Money
Panther Burn
Alligator
Hot Coffee
Guntown
Jumpertown
Cotton Plant (also one in Arkansas)
Wyoming:
Aladdin
Bill
Chugwater
Ten Sleep
Muddy Gap
Tie Siding
Bordertowns/Mixes:
Kanorado, KS
Texarkana, AR and TX
Wyodak, WY
Texola, OK
Texico, TX
Texhoma, TX
Texline, TX
Texas:
Wildorado
Muleshoe
Needmore
Farwell
Bovina
Hereford
Whiteface
Halfway
Earth
Happy
Happy Union
Wayside
Hub
Sunnyside
Dime Box
Mexican Hat, Utah
Pie Town, New Mexico
Tom Waits mentions Mayor's Income, TN, in a song. If that's not a real town, I wish it were.