Below is a list of Webster Groves MO zip codes. For your research we have also included Webster Groves Area Code, Time Zone, UTC and the local Saint Louis County FIPS Code. Each Webster Groves Missouri zip code has a center Longitude / Latitude point (the Webster Groves center is -90.35050201416 / 38.588600158691). For your convenience we have also indicated if that zip code in Webster Groves observes Daylight Savings time.