2itch.com is a super handy Google Maps mashup website where you can quickly lookup 24 hour open stores and businesses for major US cities. No registration needed.
To locate all nearby 24 hour open stores, simply go to the website, enter your zip code and click “Go” button. Next you should be presented with an area map listing all of the 24 hour open places. Double click on any area on the map to see up to 20 nearest stores.
At the moment 2itch works only in Seattle, Los Angeles, and New York City.
You can restrict yous searches to include only restaurants, stores, pharmacies, gas stations, fast food joints, grocery stores, hospitals, animal care centers, activity centers, casinos, bars and clubs, business services and more.
Check out 2itch @ www.2itch.com