ZipCode Skill provides city and state of a zipcode. You can say the zipcode and the skill will tell you which city and state is that zipcode.
It will give the city and state info for any U.S. city.
“Alexa, Ask Zip Code What city is Zip Code 20120”
“Alexa, Ask Zip Code What is Zip Code 20120”
“Alexa, Ask Zip Code Where is 20120 located”