815 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com
https://www.zip-codes.com/area-code/area-code-815.asp
WebApr 1, 2024 · 815 Area Code. Download Area Code Database. Load 815 Area Code Map. Important 815 Area Code Information. Area Code 815 is located in Illinois. It covers 196 cities, including Chicago, Joliet, Rockford, Glenview, and Plainfield. It also covers 26 counties, including Winnebago County, Will County, McHenry County, La Salle County, …
DA: 45 PA: 81 MOZ Rank: 51 Up or Down: Up