![]() Photo from Wikipedia | Niagara, WI; 54151 Post Office Location: 617 Washington Ave.; Niagara, WI Year Post Office built: Town(s) Served: Niagara Acceptable City Names: Niagara Not Acceptable City Names: Sectional Service Facility: Green Bay County(ies): Marinette Info on Niagara: The City of Niagara is located in Northern Marinette County. It is home to 1,602 residents (2010 census). Niagara dates back to 1900. |
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