Area Code: Country: State:  Time  Zone: 301: US: Maryland: Eastern Time Zone   306: Canada: Saskatchewan: Central Time Zone, Mountain Time   California: Pacific Time  Zone: 312: US: Illinois: Central  Time Zone.Area Code: County: Latitude: Longitude: 95240: Lodi: CA: 209: San Joaquin -121.306: Local: Restaurants - Hotels Lodi California Zip Code Resources