Package. A package in the Unified Modeling Language is used to group elements, and to provide a namespace for the grouped elements. A package may contain other packages, thus providing for a hierarchical organization of packages. Pretty much all UML elements can be grouped into packages.
area code 678 is a georgia area code that covers atlanta and its surrounding areas area code 678 overlays part of the area codes of 770 404 and 470 georgia has area codes of 229 404 470 478 678 706 762 770 912
New York City area codes Area code 212 and overlay code 646 serve Manhattan. Area code 718 and overlay codes 347 and 929 serve the other four boroughs (Brooklyn, Queens, Bronx, and Staten Island). Area code 917 serves all five boroughs.