1. Lampang is a city located in Northern Thailand with a population of approximately 60,000 people. It is known as the \"city of horse-drawn carriages\" due to the fact that these traditional vehicles are still a popular mode of transportation for tourists and locals alike. Lampang is also famous for its various temples, including Wat Phra That Lampang Luang which dates back to the 13th century and is considered one of the most important Buddhist sites in the region.

Chiang Mai is another popular city located in Northern Thailand. It is known for its historical and cultural significance, as well as its beautiful natural surroundings. The city is surrounded by mountains and hosts numerous national parks and conservation areas. Chiang Mai is also famous for its temples, markets, and vibrant nightlife.

2. Working times and phone numbers for various attractions and businesses in Lampang and Chiang Mai may vary, but most tourist sites are typically open from 8:00 am to 5:00 pm. For more information, it is best to consult individual websites or contact the specific location directly.

3. The cost of transportation to Lampang and Chiang Mai varies depending on the mode of transportation and the distance traveled. Visitors can travel to both cities by plane, bus, or train from major cities in Thailand such as Bangkok. The cost of a round-trip flight from Bangkok to Chiang Mai or Lampang typically ranges from 1,500 - 4,000 baht (approximately $50 - $130 USD). Bus tickets from Bangkok to Chiang Mai can range from 400 - 1,000 baht (approximately $13 - $33 USD) depending on the class of the bus and the duration of the trip. Train tickets from Bangkok to Chiang Mai can range from 600 - 2,000 baht (approximately $20 - $65 USD) depending on the class of the seat and the time of travel. Once visitors have arrived in Lampang or Chiang Mai, they can use a variety of transportation options to explore the cities, including tuk-tuks, taxis, and songthaews (shared taxis).