help center

Banking Assistance

Quick Links


Contact Us

Dime Support: 1-800-321-DIME (3463)

Treasury Management Support: 631-723-7620

  • Monday – Thursday – 8:00am to 5:00pm
  • Friday – 8:00am to 6:00pm
  • Saturday – 9:00am to 1:00pm


24/7 Telephone Banking: 631-537-3663

Find a Dime branch or ATM: Click here

Online Banking


Complete the attached form and submit to your banker or email to

CContact your bankeContact your banker

App Downloads

Stay connected from your smartphone or tablet.

Download the Dime app from the Apple App store Download the Dime app from the Google Play store

Video Tutorials

Watch Business Online Banking Video Tutorial
Watch Business Online Banking PLUS Video Tutorial

Frequently Asked Questions