Area Codes:

Prefix County
240-228-XXXX Prince Georges
240-278-XXXX Prince Georges
240-280-XXXX Prince Georges
240-294-XXXX Prince Georges
240-295-XXXX Prince Georges
240-360-XXXX Prince Georges
240-374-XXXX Prince Georges
240-444-XXXX Prince Georges
240-456-XXXX Prince Georges
240-459-XXXX Prince Georges
240-470-XXXX Prince Georges
240-524-XXXX Prince Georges
240-547-XXXX Prince Georges
240-554-XXXX Prince Georges
240-565-XXXX Prince Georges
240-568-XXXX Prince Georges
240-581-XXXX Prince Georges
240-593-XXXX Prince Georges
240-646-XXXX Prince Georges
240-713-XXXX Prince Georges
240-755-XXXX Prince Georges
240-786-XXXX Prince Georges
240-841-XXXX Prince Georges
240-863-XXXX Prince Georges
301-206-XXXX Prince Georges
301-256-XXXX Prince Georges
301-317-XXXX Prince Georges
301-323-XXXX Prince Georges
301-356-XXXX Prince Georges
301-361-XXXX Prince Georges
301-362-XXXX Prince Georges
301-369-XXXX Prince Georges
301-376-XXXX Prince Georges
301-377-XXXX Prince Georges
301-389-XXXX Prince Georges
301-395-XXXX Prince Georges
301-470-XXXX Prince Georges
301-483-XXXX Prince Georges
301-490-XXXX Prince Georges
301-497-XXXX Prince Georges
301-498-XXXX Prince Georges
301-543-XXXX Prince Georges
301-549-XXXX Prince Georges
301-575-XXXX Prince Georges
301-604-XXXX Prince Georges
301-617-XXXX Prince Georges
301-647-XXXX Prince Georges
301-688-XXXX Prince Georges
301-725-XXXX Prince Georges
301-741-XXXX Prince Georges
301-756-XXXX Prince Georges
301-776-XXXX Prince Georges
301-821-XXXX Prince Georges
301-875-XXXX Prince Georges
301-886-XXXX Prince Georges
301-939-XXXX Prince Georges
301-953-XXXX Prince Georges
301-957-XXXX Prince Georges
301-974-XXXX Prince Georges
410-264-XXXX Prince Georges
410-416-XXXX Prince Georges
410-595-XXXX Prince Georges
410-619-XXXX Prince Georges
410-680-XXXX Prince Georges
410-717-XXXX Prince Georges
410-724-XXXX Prince Georges
410-792-XXXX Prince Georges
410-794-XXXX Prince Georges
410-797-XXXX Prince Georges
410-807-XXXX Prince Georges
410-824-XXXX Prince Georges
410-834-XXXX Prince Georges
410-862-XXXX Prince Georges
410-880-XXXX Prince Georges
410-888-XXXX Prince Georges
410-921-XXXX Prince Georges
410-927-XXXX Prince Georges
443-292-XXXX Prince Georges
443-479-XXXX Prince Georges
443-778-XXXX Prince Georges