Thornton Area Code

Thornton, AR is served by area code 870. This area code was initially assigned on 22-JAN-97 and has been in continuous service since 14-APR-97, supporting the city's growing communication needs over the years.

The area code 870 is part of an overlay complex (327/870), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.

City Name	Thornton, AR
Area Code	870
Overlay Complex	327/870
State	Arkansas
Country	United State
Time Zone	Central Standard Time (CST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	22-JAN-97
In Service Date	14-APR-97

Thornton, CA is served by area code 209. This area code was initially assigned on 01-JAN-58 and has been in continuous service since 01-JAN-58, supporting the city's growing communication needs over the years.

The area code 209 is part of an overlay complex (209/350), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.

City Name	Thornton, CA
Area Code	209
Overlay Complex	209/350
State	California
Country	United State
Time Zone	Pacific Standard Time (PST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	01-JAN-58
In Service Date	01-JAN-58

Thornton, CO is served by area code 303. This area code was initially assigned on 01-JAN-47 and has been in continuous service since 01-JAN-47, supporting the city's growing communication needs over the years.

The area code 303 is part of an overlay complex (303/720/983), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.

City Name	Thornton, CO
Area Code	303
Overlay Complex	303/720/983
State	Colorado
Country	United State
Time Zone	Mountain Standard Time (MST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	01-JAN-47
In Service Date	01-JAN-47

Thornton, IL is served by area code 708. This area code was initially assigned on 04-APR-88 and has been in continuous service since 11-NOV-89, supporting the city's growing communication needs over the years.

The area code 708 is part of an overlay complex (464/708), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.

City Name	Thornton, IL
Area Code	708
Overlay Complex	464/708
State	Illinois
Country	United State
Time Zone	Central Standard Time (CST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	04-APR-88
In Service Date	11-NOV-89

Thornton, IA is served by area code 641. This area code was initially assigned on 25-FEB-00 and has been in continuous service since 09-JUL-00, supporting the city's growing communication needs over the years.

City Name	Thornton, IA
Area Code	641
State	Iowa
Country	United State
Time Zone	Central Standard Time (CST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	25-FEB-00
In Service Date	09-JUL-00

Thornton, TX is served by area code 254. This area code was initially assigned on 22-JAN-97 and has been in continuous service since 25-MAY-97, supporting the city's growing communication needs over the years.

City Name	Thornton, TX
Area Code	254
State	Texas
Country	United State
Time Zone	Central Standard Time (CST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	22-JAN-97
In Service Date	25-MAY-97

Thornton, WI is served by area code 715. This area code was initially assigned on 01-JAN-47 and has been in continuous service since 01-JAN-47, supporting the city's growing communication needs over the years.

The area code 715 is part of an overlay complex (534/715), which serves the same geographic region. This means that multiple area codes are used in the same area to accommodate the increasing demand for phone numbers.

City Name	Thornton, WI
Area Code	715
Overlay Complex	534/715
State	Wisconsin
Country	United State
Time Zone	Central Standard Time (CST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	01-JAN-47
In Service Date	01-JAN-47