Numbers

Phone Numbers

  • Do: 612-624-4109 (hyphen)

  • Don’t: 612/624-4109, 612.624.4109, (612) 624-4109

Spelled-out Numerals

  • Beginning a sentence

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

  • Common fractions

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