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Phone numbers

Overview

1. General notes

  • Our source language is EN-US (US English)
  • Remember to hand off designs to the Localization team

2. Engineering notes

  • We don't (yet) have a library that will localize the format of phone numbers. Features like Intl do not support phone number formatting.
  • This means phone numbers will likely need to be formatted manually. Use the relevant guidelines shown in this documentation.

Phone numbers

  • Follow the local convention for style, punctuation, and sequence
  • Include 3-digit area code
  • Place open and close parentheses before and after area code
  • Insert a dash after the first 3 digits
  • Don't include the country code (1 or +1)
    • Users are on country-specific sites so there's no need to include it
  • Don't insert any spaces
    • For example, (XXX)XXX-XXXX, (818)433-5010

DO

  • (212)867-5309

DON’T

  • +1(212)867-5309
  • 1.212.867.5309
  • 212 867 5309

Input fields or error states


When phone numbers appear as part of a <text input field> or an <error state>: