Hannibal Area Code

Hannibal, MO is served by area code 573. This area code was initially assigned on 31-AUG-95 and has been in continuous service since 07-JAN-96, supporting the city's growing communication needs over the years.

The area code 573 is part of an overlay complex (235/573), 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	Hannibal, MO
Area Code	573
Overlay Complex	235/573
State	Missouri
Country	United State
Time Zone	Central Standard Time (CST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	31-AUG-95
In Service Date	07-JAN-96

Hannibal, NY is served by area code 315. 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 315 is part of an overlay complex (315/680), 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	Hannibal, NY
Area Code	315
Overlay Complex	315/680
State	New York
Country	United State
Time Zone	Eastern Standard Time (EST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	01-JAN-47
In Service Date	01-JAN-47

Hannibal, OH is served by area code 740. This area code was initially assigned on 11-SEP-98 and has been in continuous service since 06-DEC-97, supporting the city's growing communication needs over the years.

The area code 740 is part of an overlay complex (220/740), 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	Hannibal, OH
Area Code	740
Overlay Complex	220/740
State	Ohio
Country	United State
Time Zone	Eastern Standard Time (EST)
Code Type	General Purpose Code
In Service	Yes
Assignment Date	11-SEP-98
In Service Date	06-DEC-97