MD -- Baltimore

ZIP Codes with Listings 21201, 21202, 21204, 21205, 21206, 21207, 21208, 21209, 21210, 21211, 21212, 21213, 21214, 21215, 21216, 21217, 21218, 21219, 21220, 21221, 21222, 21223, 21224, 21225, 21227, 21228, 21229, 21230, 21231, 21234, 21236, 21237, 21239, 21244, 21286