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  5. Area Code 972

Where Is Area Code 972?

Area code 972 is found in the US state of Texas. Primarily servicing the city of Plano (population: 296656), area code 972 covers 9 counties of Texas.

Located in the Central time zone, area code 972 is on the same time as Chicago, IL.

Area code 972 was brought into effect on September 14, 1996. 972 was split from the parent 214 area code.

Map of Texas with area code 972 highlighted
Location of Area Code 972 and surrounding states.

Counties in Area Code 972

  • Collin,
  • Dallas,
  • Denton,
  • Ellis,
  • Johnson,
  • Kaufman,
  • Navarro,
  • Rockwall,
  • Tarrant.

Most Populous Cities in Area Code 972

City County City Population Time Zone
Plano Collin 296,656 CST
Garland Dallas 235,108 CST
Irving Dallas 225,766 CST
Grand Prairie Dallas 175,594 CST
McKinney Collin 154,620 CST
Mesquite Dallas 145,794 CST
Lewisville Denton 116,550 CST
Frisco Denton 110,141 CST
Allen Collin 99,736 CST
Richardson Dallas 81,297 CST
Carrollton Denton 78,076 CST
Flower Mound Denton 69,132 CST
Rockwall Rockwall 59,488 CST
Rowlett Dallas 57,091 CST
Dallas Denton 52,295 CST
Wylie Collin 51,353 CST
The Colony Denton 51,079 CST
Frisco Collin 50,732 CST
Desoto Dallas 50,645 CST
Carrollton Dallas 48,041 CST
Waxahachie Ellis 47,753 CST
Cedar Hill Dallas 47,012 CST
Duncanville Dallas 39,923 CST
Lancaster Dallas 39,652 CST
Little Elm Denton 37,290 CST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.