Earliest known maps include cave paintings and tusk/stone etchings from 25,000 BC. Babylonian World Map (c. 600 BC) shows circular Earth surrounded by water. Phoenician explorers made first circumnavigation of Africa around 610-595 BC
Polish postal codes consist of 5 numbers in the format xy-zzz. First digit represents postal district, second digit major geographical subdivision. Last three digits indicate post office or specific address
Time zones are areas observing uniform standard time for legal and commercial purposes. Time zones follow country boundaries rather than strict longitude. UTC offsets range from -12:00 to +14:00, with some zones using 30-45 minute increments
Washington has 270 ZIP Codes covering 61.13 square miles of land. Area includes Chevy Chase, Fort McNair, and Navy Yard. District of Columbia County is the only county covering this area
Azerbaijan used a six-digit postcode 37NNNN from 1970 to 1991. The country gained independence from the Soviet Union in 1991
Austin serves as the primary ZIP code for the city. Dallas County has numerous ZIP codes for the city. Collin County has multiple ZIP codes for the city. Denton County has ZIP codes for the city. Grayson County has ZIP codes for the city