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Harvey, LA is currently using one area code which is area code 504. Area code 504 originally served the entire state of
Louisiana, including Harvey, when it was put into service on January 1, 1947. In addition to Harvey, LA area code 504 serves New Orleans and the larger communities of Chalmette, Kenner, Marrero, Metairie,
and Terrytown, as well as, many smaller communities in southeastern Louisiana. Harvey, LA does not utilize any area code overlays. |
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