Created Google Chrome extension and a Greasemonkey userscript that makes it easy to do search on phone number or email listed in craigslist posting. Its useful for finding out if the listing poster has posted anything else on internet. Easy reverse phone lookup.
craigslist-phone-search
Craigslist Phone Search as Google Chrome extension or from Google Web Store
craigslist-phone-search as Greasemonkey userscript for Firefox browser.
Craigslist Phone Search as Safari extension
If email is listed then it also creates easy search to find out about the website/company of the poster. Also quick way to do reverse phone lookup on US phone numbers.
craigslist phone email search links
real estate secition of craigslist
