So far (two pending):

Cambridgeshire
Cambridge & District: Toft Social Club, The People's Hall, School Lane, Toft, CB23 2RE, https://camra.org.uk/pubs/131374
Ely & District: Fordham Royal British Legion Club, 44 Church Street, Fordham, CB7 5NJ, https://camra.org.uk/pubs/156860
Huntingdonshire: None
Peterborough: None

Essex
Chelmsford/Mid.Essex: None
Colchester & N.E.Essex: None
Herts/Essex Borders (Essex): None
Maldon and Dengie: South Woodham Ferrers Village Hall Social Club, 25 Hullbridge Road, South Woodham Ferrers, CM3 5PL, https://camra.org.uk/pubs/142963
North West Essex: Birchanger Sports & Social Club, 229 Birchanger Lane, Birchanger, CM23 5QJ, https://camra.org.uk/pubs/160236
South East Essex: None
Tendring:
Thurrock: None

Norfolk
East Norfolk: None
Mid Anglia (Norfolk): Carleton Road Social Club, Jubilee Hall, Mill Road, Carleton Rode, NR16 1NQ, https://camra.org.uk/pubs/189251
Norwich & District:
West Norfolk: Ferry Lane Social Club, Ferry Lane, King's Lynn, PE30 1HN, https://camra.org.uk/pubs/191444

Suffolk
Ipswich & East Suffolk: None
Mid Anglia (Suffolk): None
North East Suffolk: None
West Suffolk: None