Black Rock, Arkansas Area Code
Black Rock, AR is officially utilizing two area codes which are area codes 870 and 327.
In addition to Black Rock, AR area code information read more about area code 870 details, area code 327 details and Arkansas area codes.
Black Rock, AR is located in Lawrence County and observes the Central Time Zone.
View our Times by Area Code tool.
Area Codes Look Up By State and City
Area Codes Look Up in Surrounding Places