What is the last 4 digit of number means that is after the zip code?

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2006-11-15 05:00:22 · 3 answers · asked by CXfan 4 in Education & Reference ➔ Other - Education

They specify sectors and even block within a delivery area.
http://www.zip-codes.com/zip_codes_history.asp

2006-11-15 05:03:09 · answer #1 · answered by booksofstars 3 · 0⤊ 0⤋

a zip code is a vast area where the four digit numbers gives a more exact location. Narrows down the place.

2006-11-15 05:06:05 · answer #2 · answered by skittles 1 · 0⤊ 0⤋

i dont no what its called but its there to get your mail to where ever faster, thats why you see it on your bills.

2006-11-15 05:03:55 · answer #3 · answered by Anonymous · 0⤊ 0⤋