Somerset County Post Office

Find Somerset County New Jersey 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.


Basking Ridge Post Office 21 Brownlee Place Bernards NJ 07920 908-766-0611


Bedminster Post Office 251 Somerville Road Bedminster NJ 07921 908-234-0070

Belle Mead Post Office 2468 U.s. 206 Montgomery NJ 08502 908-359-5311

Bernardsville Post Office 23 Quimby Lane Bernardsville NJ 07924 908-766-1481

Blawenburg Post Office 1693 Great Road Montgomery NJ 08504 609-466-1782

Bound Brook Post Office 24 Mountain Avenue Bound Brook NJ 08805 732-356-5500

Bridgewater Post Office 495 North Bridge Street Bridgewater NJ 08807 908-526-0222

Clarksburg Post Office 424 Stagecoach Road Millstone NJ 08510 609-259-6384

East Millstone Post Office 11 Market Street Franklin NJ 08873 732-873-2043

Far Hills Post Office 35 U.s. 202 Far Hills NJ 07931 908-234-0744

Flagtown Post Office 223 South Branch Road Hillsborough NJ 08844 908-369-3262

Franklin Post Office 602 Franklin Boulevard Franklin NJ 08873 732-846-0732

Gladstone Post Office 266 Main Street Peapack and Gladstone NJ 07934 908-234-0303

Green Brook Post Office 1003 North Washington Avenue Manville NJ 08835 732-968-2083

Hillsborough Post Office 437 Amwell Road Hillsborough NJ 08844 908-281-9873

Kingston Post Office 4599 Route 27 Franklin NJ 08528 609-924-4544

Liberty Corner Post Office 8 Church Street Bernards NJ 07920 908-647-0841

Lyons Post Office 151 Knollcroft Road Bernards NJ 07939 908-647-2626

Manville Post Office 101 Brooks Boulevard Manville NJ 08835 908-725-2184

Martinsville Post Office 1990 Washington Valley Road Bridgewater NJ 08836 732-469-2080

Neshanic Station Post Office 1 Main Street Branchburg NJ 08853 908-369-3111

North Branch Post Office 3274 U.s. 22 Branchburg NJ 08876 908-526-8660

North Plainfield Post Office 9 Jackson Avenue North Plainfield NJ 07060 908-753-4072

Peapack Post Office 155 Main Street Peapack and Gladstone NJ 07934 908-234-0546

Perrineville Post Office 221 Millstone Road Millstone NJ 08535 732-446-7102

Pluckemin Post Office 318 U.s. 206 Bedminster NJ 07921 908-658-3698

Pottersville Post Office 5 Fairmount Rd E Pottersville NJ 07979 908-439-2730

Raritan Post Office 30 East Somerset Street Raritan NJ 08869 908-725-3120

Rocky Hill Post Office 130 Washington Street Rocky Hill NJ 08553 609-921-9096

Skillman Post Office 950 County Road 601 Montgomery NJ 08558 609-466-1420

Somerset Post Office 500 Demott Lane Franklin NJ 08873 732-873-8600

Somerville Post Office 39 Division Street Somerville NJ 08876 908-725-0570

South Bound Brook Post Office 11 Madison Street South Bound Brook NJ 08880 732-356-1255

Village Station Post Office 566 Allen Road Bernards NJ 07920 908-470-0757

Warren Post Office 2 Technology Drive Warren NJ 07059 908-222-3563

Watchung Post Office 475 Watchung Avenue Watchung NJ 07069 908-756-2541

About Post Offices

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.