Clue: Inits. on a mail truck

Answer: USPS

Length: 4

---

Similar Clues:

• Online news aggregation inits. (RSS with 3 letters)
• Abbr. on a tow truck (AAA with 3 letters)
• Mail destination: Abbr. (ADDR with 4 letters)
• Forwarding e-mail addresses (ALIASES with 7 letters)
• Former Detroit auto inits. (AMC with 3 letters)
• Bowling alley inits. (AMF with 3 letters)
• Part of some e-mail addresses (e.g. AOL with 3 letters)
• Part of many e-mail addresses (e.g. AOL with 3 letters)
• Part of some e-mail addresses, briefly (AOL with 3 letters)
• Letters in many e-mail addresses (AOL with 3 letters)