Organization Information

Address Management

Post Office Changes

The table shown here includes Post Offices that have been suspended for years. Customers in these communities are being served by nearby offices. The listings in this table represent the administrative action of the Postal Service™ officially closing these offices.

 

Old/New	Finance No.	ZIP Code	State	P.O. Name	County/Parish	Station/ Branch/Unit	Unit Type	Effective Date	Comments
Old	37-0272	58620	ND	Amidon	Slope	Main Office	Post Office	01/01/2017
New	37-1120	58620	ND	Bowman	Slope	Amidon	Place Name	05/17/2025	Post Office™ discontinued. Retain ZIP Code™. Establish a Place Name. Continue to use Amidon, ND 58620 as the last line of address.
Old	34-3213	88323	NM	Fort Stanton	Lincoln	Main Office	Post Office	08/30/2019
New	34-7476	88323	NM	Ruidoso	Lincoln	Fort Stanton	Place Name	06/07/2025	Post Office discontinued. Retain ZIP Code. Establish a Place Name. Continue to use Fort Stanton, NM 88323 as the last line of address.
Old	35-1655	12042	NY	Climax	Greene	Main Office	Post Office	09/28/2019
New	35-1960	12042	NY	Coxsackie	Greene	Climax	Place Name	06/07/2025	Post Office discontinued. Retain ZIP Code. Establish a Place Name. Continue to use Climax, NY 12042 as the last line of address.

— Address Management, Addressing and Geospatial Technology, 6-26-25