I keep hearing about needing a code for the gate, where do I get this code? and is there a fee?

Appliance repair service

701 Russell Ave, Gaithersburg, MD 20877, USA

American restaurant

105 Ellington Blvd, Gaithersburg, MD 20878, USA

Thrift store

18705 N Frederick Ave, Gaithersburg, MD 20879, USA

Dog park

Green Park, 251 Bickerstaff Way, Gaithersburg, MD 20878, USA

Shopping mall

701 Russell Ave, Gaithersburg, MD 20877, USA

Air conditioning contractor

701 Russell Ave, Gaithersburg, MD 20877, USA

Internet marketing service

6835 Olney Laytonsville Rd #200, Gaithersburg, MD 20882, USA

Thrift store

15938 Luanne Dr, Gaithersburg, MD 20877, USA