12123 Post Office

Find 12123 post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Brainard Post Office 2045 Highway 20 Nassau NY 12123 518-794-7282


Nassau Post Office 10 Fairgrounds Street Nassau NY 12123 518-766-3322

East Schodack Post Office 1649 Columbia Turnpike Castleton-on-Hudson NY 12033 4.4 miles from 12123 518-477-8462

East Nassau Post Office 6466 Highway 66 East Nassau NY 12062 5.2 miles from 12123 518-794-9741

Malden Bridge Post Office 4691 Route 66 Malden Bridge NY 12115 5.4 miles from 12123 518-766-3800

North Chatham Post Office 4241 Route 203 Valatie NY 12184 5.5 miles from 12123 518-766-2626

East Greenbush Post Office 10 Greenwood Drive East Greenbush NY 12061 5.9 miles from 12123 518-477-5212

Averill Park Post Office 2951 Highway 43 Averill Park NY 12018 6.6 miles from 12123 518-674-3423

West Sand Lake Post Office 38 Mall Way West Sand Lake NY 12196 6.9 miles from 12123 518-674-5661

Sand Lake Post Office 8427 Miller Hill Road Averill Park NY 12153 6.9 miles from 12123 518-674-3288

Old Chatham Post Office 635 Albany Turnpike Old Chatham NY 12136 7.6 miles from 12123 518-794-7176

West Lebanon Post Office 1533 Highway 20 Stuyvesant NY 12173 7.8 miles from 12123 518-794-8660

Niverville Post Office 845 Main Street Niverville NY 12130 8.0 miles from 12123 518-784-3812

Castleton On Hudson Post Office 108 South Main Street Castleton-on-Hudson NY 12033 8.2 miles from 12123 518-732-2132

Rensselaer Post Office 531 East Street Rensselaer NY 12144 9.8 miles from 12123 518-449-5012

Schodack Landing Post Office 630 River Road Schodack Landing NY 12156 9.9 miles from 12123 518-732-2017

Poestenkill Post Office 15 Plank Road Poestenkill NY 12140 10.0 miles from 12123 518-283-4012

Valatie Post Office 1050 Kinderhook Street Valatie NY 12184 10.1 miles from 12123 518-758-7133

US Post Office 1111 New York 295 East Chatham NY 12060 10.1 miles from 12123 518-392-5722

Hudson Avenue Post Office 45 Hudson Avenue Albany NY 12207 10.5 miles from 12123 518-462-1359

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.