Marchex, Inc. a local online advertising, SEM & local content company and Idearc, parent company of Superpages.com, have formed a local advertising agreement where Superpages.com performance-based advertisers will be placed on Marchex’s network of web sites through Enhance Interactive, Marchex’s advertising network.

“Marchex is dedicated to providing the products and services that enable leading sales channels, like Idearc Media, to deliver best-of-breed local online advertising solutions to their advertisers,” said Scott Greenberg , Marchex Senior Vice President, Advertising Services. “The addition of Superpages.com’s large base of local advertisers to Enhance Interactive and our local network is another step forward in our mission to be the leading provider of local advertising products, services and traffic for local aggregators.”

According to a press statement, Marchex’s local network attracts more than 25 million unique monthly users with more than 150,000 local web sites. Enhance Interactive provides additional distribution across local Web sites, online publishers, and leading search engines.