Hattiesburg, MS utilizes an area code overlay in which area codes 601 and 769 serve the same geographic area. The area code overlay which is in use today was established in 2005 at which time area code 769 was created as an overlay of area code 601. Area code 601 was the original area code assigned to the entire state of Mississippi when it was established in 1947. Ten digit dialing (area code + seven digit number) is necessary because two different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.
In addition to Hattiesburg, MS area codes 601 and 769 serve much of central Mississippi including the larger cities and communities of Clinton, Hattiesburg, Jackson, McComb, Meridian, Natchez, Pearl, Ridgeland and Vicksburg, in addition to many smaller communities within the service area.
Hattiesburg, MS is located in Forrest County and observes the Central Time Zone.
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