Something is up at Danvers, Massachusetts-based Internet Service Provider (ISP) USANetwork Inc. The company’s telephone number has been ‘temporarily’ disconnected and users have contacted us to complain of a lack of e-mail service for days, causing some of them to give up on the ISP and go elsewhere. They complain of unanswered sales and technical support lines. Sources also tell us that USAInternet is in the process of being acquired by Hackensack, New Jersey-based discount telephone and internet telephony company IDT Inc, though the IDT claimed it was unaware of such a move when we contacted it Friday. However, it is preparing an announcement about an unrelated partnership with a company early this week. Meantime, the Boston Globe reports the state’s consumer affairs director Michael Duffy has referred the matter of the lack of service from USAInternet to Massachusetts’s Attorney General Scott Harshbarger. USAInternet changed its pricing structure last year and changed its sales and support numbers without warning earlier this month, according to sources. These are among the numbers that no longer work.