The main cities in Mississippi and their are code are:
Jackson (601, 769) Gulfport (228) Southaven (662) Hattiesburg (601, 769) and Biloxi (228).
The main airport is the Jackson-Medgar Wiley Evers International Airport.
The main WhatsApp businesses are Retail Trade in food and beverage, clothing and Accommodation and Food Services. You can contact these businesses with WhatsApp.