When did the us start using zip codes?
multipleQAs multipleQAs multipleQAs
When did the USPS start using zip codes? When did the USPS start using the extended zip+4 code?
1963
1983
When did the US start utilizing ZIP codes? When did the US start using ZIP+4 codes?
1963 July 1, 1963
1983
When did the US begin using zip codes? When did the US begin using extended zip codes?
1963 July 1, 1963
1983