Berkeley Area Code

Berkeley, CA is served by area code 510. This area code was initially assigned on 25-APR-90 and has been in continuous service since 02-SEP-91, supporting the city's growing communication needs over the years.

The area code 510 is part of an overlay complex (341/510), 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	Berkeley, CA
Area Code	510
Overlay Complex	341/510
State	California
Country	United State
Time Zone	Pacific Standard Time (PST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	25-APR-90
In Service Date	02-SEP-91

Berkeley, 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	Berkeley, 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

Berkeley, MO is served by area code 314. 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 314 is part of an overlay complex (314/557), 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	Berkeley, MO
Area Code	314
Overlay Complex	314/557
State	Missouri
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