The zip code of Missouri City, Texas is s - 77459 and 77489 coexist, where the 77489 zip code extends into a section of the City of Houston east of Fondren Road with the eastern terminus at Chimney Rock Road. Fondren Road is the current demarcation between Missouri City and Houston, TexasHouston - since the late 1970s, communities east of Fondren Road and north of FM 2234 - including Willowridge High School (Houston)Willowridge High School - have been part of the Houston, TexasCity of Houston since late 1979. Some residents refer to this "disputed" section - a nine-square mile section of Fort Bend County, TexasFort Bend County as Missouri City because of the 77489 zip code; in 1998, the Houston, TexasCity of Houston Super Neighborhood Council refers to this "disputed" section as the Fort Bend County, TexasFort Bend-Houston, TexasHouston Super Neighborhood #41. Residents who reside east of Fondren Road and north of FM 2234 have considered this section of Fort Bend County as a stepchild community where (1) the City of Houston provides it services (public infrastructure, 911/emergency services, and garbage pickup), and (2) Fort Bend County services (county property taxes, courts, county government, sheriff, constable) take up the rest. There are nine voter precincts - it was in 2001 where Mayor Lee P. Brown won re-election for a final term. Source: http://en.wikipedia.org/wiki/Missouri_City%2C_Texas