countable noun. 1  A peninsula is a long narrow piece of land which sticks out from a larger piece of land and is almost completely surrounded by water. 2  a narrow strip of land projecting into a sea or lake from the mainland. 3  a land area almost entirely surrounded by water and connected with the mainland by an isthmus.
Northwestern Mutual Customer Service Phone Number Phone Number of Northwestern Mutual is +1-414-271-1444. Northwestern Mutual is one of the leading insurance company situated in the United States.
Articles. 1  Designer of 1979 Northwestern Mutual Building Dies â Mary Louise Schumacher â March 16th, 2010. 2  Northwestern Mutual could replace building with both downtown, Franklin space â September 29th, 2011. 3  Northwestern Mutual plans new building â Tom Daykin â September 28th, 2011.