Look at a map of where your customers live and the pattern is obvious. The core of Shelby County sits on the bluff, but demand spreads east along Poplar Avenue toward Germantown and Collierville, north into Bartlett and Millington, south over the state line into Horn Lake and Southaven, and west across the bridges into Arkansas. A visitor from Olive Branch wants to know within seconds that you drive to Mississippi. A plant manager in Marion wants the same reassurance about Arkansas.
What that means for the page structure
Instead of one contact page with a long list of towns, a site for this metro usually needs a small set of area pages written for real places, each with its own details about how you serve that side of the region. Those pages also give search engines a reason to show you for queries typed in DeSoto County, not only for searches that include the word Memphis.
The other thread running through the region is logistics. Warehouses around Lamar Avenue, the airport corridor and the river terminals mean many local buyers are operations people who read on a phone between shifts. They skim, they compare two or three sites, and they call the one that makes the next step obvious.