1. Jungfernstieg is a famous boulevard and promenade located in the city center of Hamburg, Germany. It runs parallel to the Binnenalster lake and has been a popular destination for both locals and tourists for more than a century. The name \"Jungfernstieg\" can be translated as \"Maiden’s Walk\" and dates back to the 17th century when it was a meeting place for young, unmarried women.

The boulevard is known for its beautiful views of the lake and its elegant buildings. It is lined with upscale cafes, restaurants, and shops, making it a great place for shopping, dining, or simply strolling along the waterfront. There are also boat tours available from the pier, allowing visitors to explore the Alster lake.

2. The shops and restaurants along Jungfernstieg have their own individual opening hours, so it’s best to check with specific places for their working time. However, most shops in the area are open from Monday to Saturday between 10:00 AM and 7:00 PM. The promenade itself is open to the public at all times.

Unfortunately, we do not have the specific phone number for Jungfernstieg as it is a public area. However, if you need information about a specific business or attraction in the area, you can usually find their contact information online or through a general search.

3. Jungfernstieg is easily accessible by public transportation. The closest train station is Jungfernstieg S-Bahn station, which is served by multiple S-Bahn lines. There are also bus stops nearby, making it convenient to reach the area by bus. Ticket prices for public transportation in Hamburg vary depending on the type of ticket and duration of travel. It is recommended to check the HVV (Hamburg public transport) website for the most up-to-date information on ticket prices and options.