State Locksmith Services is available 24/7, ready to assist you whenever you need a trustworthy locksmith. Whether it’s day or night, we are here for your locksmith needs in the Cambridge, MA metro area. We understand that emergencies can arise unexpectedly, such as losing your keys or being locked out. These situations can happen at any moment, so whenever you find yourself in need, just give us a call and we will promptly come to your aid.