AT&T today adjusted the monthly data allotments available in its Mobile Share Value plans. The least-expensive plan costs $20 per month and includes 300MB. Stepping up to $30 buys 2GB, $50 buys 5GB, $100 buys 15GB, and $140 buys 20GB. These new amounts/prices are a slightly better value than they were before. The first three options require $25 monthly access fees per line, while the latter two only require $15. The latter two also get unlimited calling and messaging to Mexico and Canada as a bonus feature. AT&T said customers who need more than 20GB can talk to sales reps about its 25GB, 30GB, 40GB, and 50GB plans. All plans continue to offer unlimited voice minutes and messaging both in the U.S. and to international numbers. They also include Data Rollover. The new AT&T Mobile Share Value plans will be available starting Aug. 14.


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