Niagara County, NY Zip Codes Lockport Zip Codes CBIC Round 2 Competitive Bidding Area Buffalo Niagara Falls 14304 Zip Code (Niagara Falls, New York) Profile homes Postal Info Specs Marketing Tech 14303 Zip Code (Niagara Falls, New York) Profile homes Niagara Falls, New York ZIP Code Map Updated July 2020 14305 Zip Code (Niagara Falls, New York) Profile homes File:Map Niagara Falls NY.svg Wikimedia Commons 14301 Zip Code (Niagara Falls, New York) Profile homes