Here is an approximate map of the Cy-Fair area, which generally follows the same borders as Cy-Fair ISD. We consider the following zip codes to be part of the Cy-Fair area:

Cypress: 77433 and 77429
Katy: 77449
Houston: 77095, 77070, 77084, 77065, 77092, 77069, 77041, 77064, 77040, and 77066
 

View Cy-Fair Community Map in a larger map