Useful Contacts Although we can provide the bulk of inormation you need, please look through our list of useful contacts. Very specialised information and help can be found by contacting the organisations listed. To use the Network 81 helpline please call 0845 077 4055.  To email us, please click here. Contacts A-O Contacts P-Z Network 81, 1-7 Woodfield Terrace, Stansted, Essex, CM24 8AJ. Location map, please click here. Helpline : 0845 077 4055 Admin : 0845 077 4056 Fax : 0845 077 4057 Email : info@network81.org