postal zone

Mail sorting area

A postal zone is a numbered district within a city used to sort and route mail, the precursor to modern ZIP codes in the United States.

Major American cities adopted zone numbers in the 1940s to speed delivery: Chicago 12, Illinois.

The system was replaced by five-digit ZIP codes in 1963, though the zone number often became the final two digits.

Related

return address · route · carrier · mail carrier · sorting · sorting facility · district · area code · neighborhood · stamps · parcels · bulk mail · junk mail · letters · dead letter · courier · mailman · PO box

Opposites
address specificity

postal zonestreet address

Building's numbered position

house number · unit number · GPS coordinates · building number · apartment number

ADMINISTRATIVE vs. INFORMAL LOCATION

postal zonerural route

Postal path through farmland

general delivery

Family

postal, zone, post, zonal, zones, zoned, zoning, postage, postman

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Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G