Regulatory pressure on the cellphone carriers to improve service is building.

The game, which is expected to be available early next month on a number of cellphone carriers, will cost $3 to $5, Mr. Nashak said.

By contrast, the major cellphone carriers paid billions of dollars to the federal government for the right to use their slices of the radio spectrum.

Though the cellphone carriers and market researchers often lump Hispanics into one big mass of about 40 million people, the label covers a broad spectrum.

The people who used to rely on the long-distance companies, who want more choices for their cellphone carrier, they were left out in the cold.

None of the cellphone carriers make public their subscriber base by age group.

In October, most major cellphone carriers plan to start compiling a publicly accessible listing of wireless phone numbers.

American cellphone carriers, which are beginning to unveil third-generation data services of their own, should take heed.

The campaign was designed to raise consumer awareness about American cellphone carriers' mandatory 15-second voice mail instructions.

But one has to wonder if cellphone carriers are allocating sufficient resources to overcome this hurdle.