It depends on what you mean. Most states (although I'm not familiar with every state's laws) have no "levels". You get a permit and you can carry a handgun. Some states allow concealed carry, some allow open carry, some allow either.
Having said that, however, a few states, I believe New York is one of them, issue permits that can be either for carrying a handgun, or a permit that is good only to transport it from one place to another in your vehicle. However, I believe only one or two states do that.
Illinois is the only state without concealed carry legislation. Several other states have legislation, but don't issue concealed carry permits.
Technically, no. Concealed weapon permits themselves do nothing. But here's the answer you're asking about. It depends on who you ask, but yes, there is evidence that in states where handgun carry permits are issued, crime is reduced.
No concealed carry permits are never available to felons.
Missouri no longer requires permits EXCEPT concealed carry permits (law changed this year) To replace a lost concealed carry permit, contact your county sheriff's office- they issue the permits.
No, Washington DC does not allow concealed handgun carry, nor do they recognize permits from any other state.
There is no federal law specifically addressing the issuance of concealed-carry permits, so each state's government determines the laws around gun permits and permissions: the details. The federal government will not allow a state to prohibit the right to carry a gun, so Illinois had to allow its residents to carry a concealed weapon as of January 2014.
Arkansas does not issue open-carry permits, but does issue concealed-carry permits. The handgun must not be visible to others, and is not allowed in certain places.
No. Concealed carry permits are issued by individual states, and do not transfer.
Alabama honors a Pennsylvania Resident Concealed Carry license.
In this state, out-of-state permit holders are generally not allowed to carry a concealed weapon. It is important to check the specific laws and regulations of this state regarding concealed carry permits for out-of-state residents.
No
There is no such thing as a gun license in the US. There are concealed carry permits/licenses and dealers licenses.