Two ciphers that'll help you find an apartment in New York

• Number of letters
• Numbers on a letter
• 90210, e.g
• 90210, for Beverly Hills
• Letter digits
• State follower, sometimes
• Daily sorting criterion
• Closing part of an address
• Essential element of dot-com transactions

Wiktionary Word definitions in Wiktionary
n. (alternative spelling of zip code English)