: This is a valid 5-digit ZIP code located in Southwest Pennsylvania .
If you saw "156-850," the 156 prefix is not currently a recognized North American area code. However, the 850 area code covers the Florida Panhandle, including cities like Tallahassee and Pensacola. 156850 zip
Could you clarify where you saw this number? It might be a , invoice ID , or a specific international postal code instead. 16850, PA Zip Code Map - MapQuest : This is a valid 5-digit ZIP code
The number does not appear to be a valid U.S. ZIP code . United States ZIP codes are 5-digit numbers (e.g., 15685 ), sometimes followed by a 4-digit extension. in Western Connecticut.
: This code serves Norwalk, CT , in Western Connecticut.