Numbers

Phone Numbers

Do Don't
Use hyphens to separate digits in phone numbers, for example, 612-624-4109 Do not use other characters such as slashes, periods, or parentheses to separate digits, for example, 612/624-4109 or 612.624.4109 or (612) 624-4109

Spelled-out Numerals

  • Spell out numerals that begin a sentence or rephrase the sentence to avoid starting with a numeral

  • Up to 9 (zero, one, two … eight, nine, 10)

  • Common fractions

  • Do not spell out age (My sister is 34.)