Olcenengo Comune Comune di Olcenengo Coat of arms Olcenengo Location of Olcenengo in Italy Coordinates: 45°22′N 8°19′E﻿ / ﻿45.367°N 8.317°E﻿ / 45.367; 8.317 Country Italy Region Piedmont Province Vercelli (VC) Government • Mayor Ercole Gaibazzi Area • Total 16.5 km2 (6.4 sq mi) Population (2004[1]) • Total 635 • Density 38/km2 (100/sq mi) Demonym(s) Olcenenghesi Time zone CET (UTC+1) • Summer (DST) CEST (UTC+2) Postal code 13040 Dialing code 0161