Middlesex County, MA isn't checked yet
We haven't checked police, fire and EMS here yet, so we can't tell you which scanner works.
Cities in this county
Lowell · Waltham · Cambridge · Watertown · Somerville · Newton · Framingham · Marlborough · Malden · Woburn · Melrose · Stoneham · Pepperell · Ayer · Cochituate
Until then, four questions will help you choose:
Don't buy the wrong scanner