Tellme Networks announced at the Web 2.0 Expo today that it will be adding three new ways to access its information service that was launched back in January. The service functions similar to to 411, but users can request information through voice, SMS, or Mobile Web. The announcement comes just a week after Google announced its free 411 service, Goog-411.

To use the service through voice, simply call 1.800.555.TELL and say “Business Search” to find a business listing or search for a particular category, such as “flower shops,” from any phone.SMS and Mobile Web are equally easy. Sending a text message to TELLM with the details of the business you’re looking for. The service will respond with detail information that includes a link to a map. And if you don’t want to deplete your SMS allotment, a quick visit to www.tellme.com should produce similar results.

TechCrunch recently reported that Microsoft had acquired Tellme Networks, Inc. Tellme claims responsibility for answering nearly 80-percent of the automated 411 calls in the States. The acquisition goes into effect on April 30.