NORTHREPPS is District of Erpingham . . . you have two registry office to choose from - see below.
Erpingham
Created 1st July 1837.
Sub-districts : Cromer; Holt; North Walsham; Sheringham.
GRO volumes : XIII (1837-51); 4b (1852-1930).
Aldborough, Antingham, Aylmerton, Baconsthorpe, Barningham Norwood, Barningham Town, Beeston Regis, Bessingham, Bodham, Brinton (1837-69), Briston, Cley next the Sea, Cromer, East Beckham, Edgefield, Felbrigg, Gimingham, Glandford with Bayfield, Gresham, Gunton, Hanworth, Hempstead, Holt, Hunworth, Kelling, Knapton, Letheringsett, Matlask, Metton, Mundesley, North Walsham (1837-84), Northrepps, Overstrand, Plumstead, Roughton, Runton, Salthouse, Sheringham, Sidestrand, Southrepps, Stody, Suffield, Sustead, Thorpe Market, Thornage, Thurgarton, Trimingham, Trunch, Upper Sheringham, West Beckham, Weybourne.
Registers now divided between North Walsham and Fakenham districts.
Location Erpingham
Address
Closed in 1939 and post July 1837 civil registers moved to
Fakenham or North Walsham
Registration and Census District (1852 - 1946) 4b
Location Fakenham
Address
The Register Office
Fakenham Connect
Oak Street
FAKENHAM
Norfolk
NR21 9SR
Tel +44 (0) 1328 850111
Cheques payable to 'Norfolk County Council' please
Location North Walsham
18 Kings Arms Street
North Walsham
Norfolk
NR28 9JX
Tel +44 (0)1692 406220
I could not find an email address for either but you may find another site on Internet now you know which office(s) are involved.