Keyport Post Office

Find Keyport 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.


Keyport Post Office 95 West Front Street Keyport NJ 07735 732-264-0388


Cliffwood Post Office 349 Route 35 North Aberdeen NJ 07721 1.1 miles from Keyport 732-566-3166

Hazlet Post Office 65 Hazlet Avenue Hazlet NJ 07730 1.2 miles from Keyport 732-264-7068

Matawan Post Office 155 Main Street Matawan NJ 07747 2.0 miles from Keyport 732-566-0854

Laurence Harbor Post Office 902 Route 35 North South Amboy NJ 08879 3.0 miles from Keyport 732-566-7031

Holmdel Post Office 10 Crawfords Corner Road Holmdel NJ 07733 3.4 miles from Keyport 732-946-4710

Keansburg Post Office 230 Main Street Keansburg NJ 07734 3.9 miles from Keyport 732-787-2940

Middletown Post Office 1601 Route 35 North Middletown NJ 07748 4.3 miles from Keyport 732-671-1365

Morganville Post Office 113 Tennent Road Marlboro NJ 07751 4.9 miles from Keyport 732-591-2440

New Monmouth Post Office 33 Cherry Tree Farm Road Middletown NJ 07748 5.0 miles from Keyport 732-671-2350

Ernston Post Office 499 Ernston Road Sayreville NJ 08859 5.1 miles from Keyport 732-727-5220

Port Monmouth Post Office 3 Pulsch Street Middletown NJ 07758 5.2 miles from Keyport 732-787-4310

South Amboy Post Office 209 South Broadway Street South Amboy NJ 08879 5.3 miles from Keyport 732-721-0937

Wickatunk Post Office 248 Route 79 Marlboro NJ 07765 6.0 miles from Keyport 732-946-9798

Belford Post Office 669 New Jersey 36 Middletown NJ 07718 6.1 miles from Keyport 732-787-4490

Perth Amboy Post Office 205 Jefferson Street Perth Amboy NJ 08861 6.5 miles from Keyport 732-826-2090

Parlin Post Office 778 Washington Road Sayreville NJ 08859 7.0 miles from Keyport 732-257-0045

Leonardo Post Office 60 Thompson Avenue Middletown NJ 07737 7.6 miles from Keyport 732-291-2556

Princes Bay Finance Post Office 655 Rossville Avenue New York NY 10309 7.7 miles from Keyport 718-984-0886

Lincroft Post Office 774 Newman Springs Road Middletown NJ 07738 7.9 miles from Keyport 732-747-5115

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.