GPO & BT Telephone
Model Numbers and Dates

All GPO / BT Telephones are fully marked with dates & ID Markings

150 Candlestick Telephones & early Receivers (Pre 1929)

200 Series Bakelite Telephones (1929-1959) Including any 162/232 phones

300 Series Bakelite Telephones (1937-1968) Including any 332, 312, 328, 330's phones

700 Series Plastic Telephones  (1959 - 1986) Including any 706 (1959 - 1967) 746 (1967 - 1986)

All telephones could have been refurbished at any time by the GPO