In standard text, write the full names of American cities and states. You can use well-known abbreviations, such as NYC, but do not invent abbreviations.
Abbreviations for mailing addresses
When providing a mailing address, use the two-letter abbreviations that the US postal service specifies for use with zip codes. If required, you can use these official abbreviations in a table or image with limited space. The following table shows the abbreviations for mailing addresses:
