Contact listed on GOV.UK
This number is listed on GOV.UK under “IPSEA advice line”, on the page “Children with special educational needs and disabilities (SEND)”.
Hours given: “Monday to Thursday, 10am to 4pm and 7pm to 9pm Friday, 1pm to 4pm”
Source: GOV.UK page (opens in a new tab), last updated on GOV.UK on 25 November 2014.