Contact your cell phone carrier and request to block a number. For example, if your iPhone data and voice plan is currently with AT&T, contact their customer support line to request a number to be blocked. This is the only method of blocking a number on the iPhone without Jailbreaking it.ontact your cell phone carrier and request to block a number. For example, if your iPhone data and voice plan is currently with AT&T, contact their customer support line to request a number to be blocked. This is the only method of blocking a number on the iPhone without Jailbreaking it.
All credits and deductions carry limits. Some carry a specific dollar limit. For example, the child tax credit cannot exceed $1,000 for each child. Other credits and deductions are limited by your income. For example, you can typically claim charitable deductions up to 50 percent of your adjusted gross income. Still other credits and deductions have specific limits for taxpayers whose adjusted gross income falls within certain ranges.
There are no income limits for Traditional IRAs,2 however there are income limits for tax deductible contributions. There are income limits for Roth IRAs. As a single filer, you can make a full contribution to a Roth IRA if your modified adjusted gross income is less than $118,000 in 2017. If your modified adjusted gross income is more than $118,000 but less than $133,000, a partial contribution is allowed in 2017.