Zip Area Code

Knollwood, Texas

No ZIP code carries the name of Knollwood, Texas, in Grayson County; the nearest ZIP code is 75092, in area code 903, with 430 as an overlay.

Nearest ZIP
75092
Area codes
903, 430
State
Texas
Time zone
Central Time
Coordinates
33.6893, -96.6185

Nearest ZIP codes to Knollwood

This is the ZIP code nearest to Knollwood, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
75092ShermanGrayson County903, 430

Area codes for Knollwood

  • Area code 903

    In service since November 4, 1990. Shares its area with 430. Local calls are dialed with ten digits.

  • Area code 430

    In service since February 15, 2003. Shares its area with 903. Local calls are dialed with ten digits.

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

Knollwood is in the Central Time zone.

Towns near Knollwood