About Us

Local 3OO is the largest Local Union representing Mail Handlers in the country.

We represent approximately 5,200 Mail Handlers working within the New York City metropolitan area. Our jurisdiction includes the five boroughs of New York City, all of Long Island, north New Jersey, Southwestern Connecticut, and southern New York.

Since 1972, this local union has actively and progressively represented Mail Handlers working at all Postal installations and stations, within the following Zip Codes: 068-069, 070-079, 088-089, 100-119, and 124-127.

Local 300 is governed by the Uniform Local Union Constitution of the National Postal Mail Handlers Union and the National Union Constitution.

This Local provides the best representation to its members with enforcing the National Agreement. We have many qualified union representatives and successful arbitration advocates.

Local 300 is also extremely active politically. We remain active with our political leaders to ensure that Mail Handler issues are presented favorably on Capitol Hill.

We also have had many successful member social activities and events over the years. Such events have included: demonstrations, parades, picnics, baseball games, etc…


We have several large branches within the NY Metro area. Local 300’s jurisdiction covers: as north as Newburgh, NY (Mid-Hudson Branch), to the south – in Monmouth County New Jersey, our jurisdiction covers most of north New Jersey, southwestern Connecticut (Stamford Branch), the five boroughs of New York City, its suburbs including Nassau and Suffolk counties on Long Island.

Within our jurisdiction, there are several small branches with less than 50 members

There are hundreds of members in many other various stations spread across the tri-state area. These members make up a large part of the backbone of Local 300. Members in the smaller stations are an integral part of the labor organization.

If you are not already a member, you should join the ranks now. To join, see a steward immediately. If your location does not have a shop steward, contact the local office.



Local 300 (Headquarters)

20 West 33rd Street, Suite 8a, New York, NY 10001

Phone: 212-431-0040

Fax: 212-941-6499