Colonial heights Area Code

Colonial heights, TN is served by area code 423. This area code was initially assigned on 22-NOV-94 and has been in continuous service since 11-SEP-95, supporting the city's growing communication needs over the years.

The area code 423 is part of an overlay complex (423/729), 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	Colonial heights, TN
Area Code	423
Overlay Complex	423/729
State	Tennessee
Country	United State
Time Zone	Eastern/Central Time
Code Type	General Purpose Code
In Service	Yes
Assignment Date	22-NOV-94
In Service Date	11-SEP-95

Colonial heights, VA is served by area code 804. This area code was initially assigned on 24-JUN-73 and has been in continuous service since 24-JUN-73, supporting the city's growing communication needs over the years.

The area code 804 is part of an overlay complex (686/804), 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	Colonial heights, VA
Area Code	804
Overlay Complex	686/804
State	Virginia
Country	United State
Time Zone	Eastern Standard Time (EST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	24-JUN-73
In Service Date	24-JUN-73