49203 ZIP Code

Questions about 49203

What city is ZIP code 49203 in?+

49203 is associated with Jackson, Michigan in the bundled dataset. ZIP areas can cross city and county lines, so use the city and county fields together.

What county is 49203 in?+

Jackson. County boundaries and postal areas are not the same thing; a ZIP can serve addresses in more than one county.

What timezone is 49203 in?+

America/Detroit. This is the IANA timezone name for the city associated with the ZIP.

Is 49203 a real ZIP code?+

It appears in the public city dataset bundled with this site. That confirms the format and city association, not that a specific street, mailbox, or resident exists.