News Release Details

SEATTLE – Sept 21, 2010 – Marchex, Inc. (NASDAQ: MCHX) today announced that it has joined with Cox Media, the advertising sales division of Cox Communications, Inc., to help local business customers efficiently and effectively market their products and services through various online channels, including search engines. Leveraging Marchex’s award-winning Local Leads product, Cox Media’s sales team will begin offering digital marketing services to its customers immediately.

Marchex Local Leads is an award-winning digital marketing product that leverages multiple search engines, mobile and other call- and lead -based distribution sources to generate leads and new business for advertisers.

"We recognize the efficacy of online marketing for businesses, and are excited about partnering with Marchex to offer this new service to our customers," said David Porter, vice president of new product development and strategy, Cox Media. "Marchex has been powering online marketing campaigns for tens of thousands of small businesses for many years, which is exactly the type of proven expertise that we want to offer our customers."

"We believe that Cox Media’s advertiser base and strong reputation for delivering quality products and services to its customers, combined with the Marchex Local Leads product will prove to be a very successful combination," said Brooks McMahon, senior vice president of small business marketing products at Marchex. "Marchex is a partner-focused company. Our emphasis is on delivering exceptional service and products to drive success for the organizations we are closely aligned with, such as Cox Media."

About Marchex:

Marchex’s mission is to unlock local commerce globally by helping advertisers reach customers wherever they may be – in mobile, offline and online channels, including on our own local and category websites.

Our performance-based call advertising products, the Marchex Pay-For-Call Exchange and Marchex Call Analytics, are reinventing how businesses acquire new customers through the phone. Our award-winning Small Business Marketing products empower local businesses to efficiently monitor their online presence, communicate with their customers, and acquire new ones. Every day, our products support tens of thousands of advertisers and partners, ranging from global enterprises to local businesses.

For more information about Marchex (NASDAQ: MCHX), please visit www.marchex.com.

Forward-Looking Statements:

This press release contains forward-looking statements that involve substantial risks and uncertainties. All statements, other than statements of historical facts, included in this press release regarding our strategy, future operations, future financial position, future revenues, acquisitions, projected costs, prospects, plans and objectives of management are forward-looking statements. We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. There are a number of important factors that could cause Marchex's actual results to differ materially from those indicated by such forward-looking statements which are described in the "Risk Factors" section of our most recent periodic report and registration statement filed with the SEC. All of the information provided in this release is as of Sept 21st, 2010 and Marchex undertakes no duty to update the information provided herein.

For further information, contact:

Trevor Caldwell
Marchex Investor Relations
Telephone: 206.331.3600
Email: ir(at)marchex.com

Or

Rob Gubas
VP, Marketing and Communications
Telephone: 206.331.3409
Email: rgubas(at)marchex.com