2010-2-7 2006-1-24 21st Century Telecommunications is a telephone service company providing installation, maintenance, and repair services for our clients. With over 40 years of experience in the telecommunications industry it is always our goal to provide unparalleled service for our customers. 148960 text/html 1.0 EN index,follow Telephone equipment sales and service.Nortel Avaya Cisco Nec Mitel. 21st Century Telecommunications LLC text EZ-NetTools EZ-NetTools specializes in providing professional custom web site design and ecommerce services that you can easily maintain.