What does the abbreviation TTY and TDD stands for with respect to telecommunication industry?

TTY - Teleprinter or Teletypewriter or Teletype Printer, a typewriter paired with an electronic communication channel, used for telecommunications or as a computer terminal.

TDD - Telecommunications device for the deaf or TDD, a teleprinter specifically designed for text communication over public switched telephone network.

How to contact UPS (United Parcel Service), United States, Customer Service? Complete list of important phone numbers

Customer Service Phone Numbers -  United Parcel Service (UPS), United States

Domestic Package Services : 1-800-PICK-UPS or 1-800-742-5877

Have a UPS Infonotice? : 800-833-9943

Freight Services - Ground/LTL (shipments >150lbs.) : 800-333-7400

Freight Services - Air/Ocean (shipments >150lbs.) : 800-443-6379

Supply Chain Solutions : 800-742-5727

International Import/Export Services : 800-782-7892

TTY/TDD Access for Hearing Impaired : 800-833-0056

Help Wells Fargo - Report Fraud, ID Theft or Lost/Stolen : For Credit, Debit/ATM card, Checks, Phish and Email Scams

If you notice fraudulent activity on your Wells Fargo account(s) or you suspect identity theft, please contact the bank immediately using the phone numbers given below.

For Debit/ATM card or checks
1-800-869-3557

For Credit card
1-800-642-4720

For Identity Theft
1-800-869-3557

To Report other suspicious online activity
1-866-867-5568

To Report Phish and Email Scams
reportphish@wellsfargo.com

What are the customer care numbers for Wells Fargo - General Banking Questions and Online Banking and Bill Pay Service

Following are the phone numbers for Wells Fargo customer service.

For General Banking Questions:
1-800-869-3557

For Online Banking and Bill Pay Service:
1-800-956-4442