Zip Area Code

Castle Point, Missouri

No ZIP code carries the name of Castle Point, Missouri, in St. Louis County; the nearest ZIP codes are 63135, 63136 and 63137, in area code 314, with 557 as an overlay.

Nearest ZIP
63135, 63136, 63137
Area codes
314, 557
Time zone
Central Time
Coordinates
38.7568, -90.2485

Nearest ZIP codes to Castle Point

These are the ZIP codes nearest to Castle Point, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
63135Saint LouisSt. Louis County314, 557
63136Saint LouisSt. Louis County314, 557
63137Saint LouisSt. Louis County314, 557

Area codes for Castle Point

  • Area code 314

    In service since 1947. Shares its area with 557. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 557

    In service since August 12, 2022. Shares its area with 314. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Castle Point is in the Central Time zone.

Towns near Castle Point