Zip Area Code

Gilmer, Texas

Gilmer, Texas, in Upshur County, has ZIP codes 75644 and 75645 and area code 903, with 430 as an overlay.

ZIP codes
75644, 75645
Area codes
903, 430
State
Texas
Time zone
Central Time
Coordinates
32.6645, -94.9103

ZIP codes in Gilmer

ZIP codePost officeCountyArea codes
75644GilmerUpshur County903, 430
75645GilmerUpshur County903, 430

Area codes for Gilmer

  • 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

Gilmer is in the Central Time zone.

Towns near Gilmer