There were 234 million Americans who were mobile subscribers for the 3-month period ending in April, according to a new report from comScore.

 During that time, Samsung ranked as the top manufacturer with 22.1 percent share of U.S. mobile subscribers, up one point from the previous three-month period. LG ranked second with 21.9 percent share, trailed closely by Motorola (21.6 percent share, down 1.4 percent), RIM (8.4 percent share) and Nokia (8.1 percent share).

In ranking of the top mobile carriers, Verizon led the market with 31.1 percent of mobile subscribers. AT&T landed in the second spot with 25.2 percent market share, up 0.2 percent from the period ending in January. Sprint and T-Mobile both had 12 percent of the market followed by TracFone with 5.1 percent of the market.

In an average month during the February through April time period, 64.6 percent of U.S. mobile subscribers used text messaging on their mobile device, up 1.1 percent over the previous three-month period, while browsers were used by 31.1 percent of mobile subscribers (up 2.5 percent).

Subscribers who downloaded applications represented 29.8 percent of the mobile audience, representing an increase of 3.1 percent over the prior three-month period. Visiting social networking sites and blogs also continued to grow, increasing 2.8 percent to 19.9 percent of mobile subscribers.