Help needed with what I think is an optimization problem

Was thinking about a problem sales has been having at work, say we have a list of prospects all based in different geographic locations (zip codes, states etc.) and each prospect belongs to a market size (lower or upper).

Sales wants to equally distribute a mix of lower and upper across 3 sales AE's. The constraint is that each Sales AE's territory has to be touching at a state/zip level and the distribution has to be relatively even.

I've solved …

datascience etc list locations optimization prospects sales think thinking work zip