Sos — Zip

Option 1: Practical & Informative (Great for Business or Daily Tips)

Adding those extra four digits narrows your location down to a specific street block, apartment building, or high-volume business. It makes your delivery much faster and more accurate! SOS zip

Did you know the system, launched in 1963, came with a cartoon mascot named ? Here are a few fun facts: Option 1: Practical & Informative (Great for Business

Pinpoint a specific central post office or sectional center facility. launched in 1963

Forgotten a full address? You can find any official 9-digit code using the USPS ZIP Code Lookup Tool .

Narrow it down to the local post office or delivery area. 💡 Pro-Tips for Master Mailers: