These may be helpful to you.
Benefit Enquiry Line 0800 169 0310
DWP Online Helpdesk 0800 169 0154
Jobcentre Enquiry Line 0800 169 0190
Social Fund Enquiry Line 0800 169 0140
Benefit Cap Enquiry Line 0800 169 0145
PIP Enquiries 0800 121 4433
DLA Adult and Child 0800 121 4600
Access to Work 0800 121 7479
DLA Motability 0800 121 6379