If your business is located in USA and your target customers are also from USA, you may outsource your work to U.S. based call centers. You may also want to outsource your work as you have no enough resources to establish an excellent system of customer handling over a phone line. So you want to outsource your work to U.S. based call centers.

Following are the links to some of the popular web directories that lists call centers from USA and around the world.
• TelePlaza
www.teleplaza.com

• Elsnet
www.elsnet.org

• Call Center Planet
www.callcenterplanet.com

• Outsourcing.org
www.outsourcing.org

These are the some popular web directories you can visit to search for call centers.

Conclusion:
If your business is located in the USA, you should hire a call center service based in the U.S.