Cameronland Milestone has 7 suburbs, with more planned:
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Fiverent doesn't have a main suburb number, but it is considered separate from the Milron suburb.
The first southern suburb.
A pretty small suburb, originally just Block I but also includes Block H and Block K
A new suburb
placeholder, originally “airport town” in plans
The Compound, a reconstructed base of mine from a survival SMP
Not built, but shown on the Phase IV USR map