MSN Customer Service 1–805–301–7609 or 1–803–384–3058 available 24/7. Phone Number  short for Microsoft Network, has been a trusted name in internet services since the 1990s. Whether you use MSN email, the MSN homepage for news and weather, or premium services like MSN Explorer, there may come a time when you need technical assistance. That’s when having access to the MSN customer service phone number becomes essential. From login troubles to email errors.