Telephone - smallest
- Who
- Jan Piotr Krutewicz
- Where
- United States (Munster)
- When
- 01 January 0001
The smallest operational telephone was created by Jan Piotr Krutewicz, Munster, USA on 16 September 1996. It measured just 47.5mm x 10mm x 21mm 1.8in x 0.3in x 0.8 in.