While I can’t get it to find any of my listed friends, maybe I’m just using it wrong… People is a white pages for your iPhone!

http://people.aapl.org.uk/

With GPS accuracy, Earthcomber spots & maps all the useful & interesting things around you: Free WiFi, coffee joints, pubs, eateries, fuel, stores, ATMs, live music, movies by title – all shown by what’s closest to you. Millions of places, full coverage of the US.

http://www.earthcomber.com/iphone/

Unthirsty is a great idea, but at least for me it doesn’t work very well… I guarantee you there are more than 2 bars in Tampa.

http://www.unthirsty.com/iphone

i.zabihah.com allows iPhone users to look up zabihah.com halal (meeting Muslim dietary codes) restaurant listings. Each listing includes a button to automatically call the restaurant, plus a link to the internal Google Maps client and driving directions! You can save phone numbers and locations in your personal bookmarks as well. Works in the US, Canada, and the UK. This is a beta release (ver 0.5) – it will be updated soon to allow you to read and leave reviews, as well as link to salatomatic.com mosque listings in the same area.

http://i.zabihah.com

TouchCall allows you to browse through business listings by category for major cities. So far only New York, Boston, Chicago, and San Francisco are covered, but they promise more cities are coming soon!

http://local.ingenio.com/TouchCall/

LoudIsRelative.com iPhone edition gives iPhone owners the ability to quickly lookup concerts and other events in any zip code throughout the US. LIR iPhone also integrates with iPhone’s Google Maps and has direct phone call features.

http://iphone.loudisrelative.com/app/index/main