Spring, Texas is an unicorporated area in northern harris county and southern montgomery county texas. The zip codes that fall into Spring's as identified by the United States Postal Service are 77373, 77379, 77380, 77381, 77382, 77386, 77388, 77389, 77383 ( PO BOX), 77387( PO BOX), 77391 ( PO BOX), 77393 ( PO BOX).

A Map of Spring is below:

The map above was extracted from http://maps.huge.info/zip.htm