Dialing Abbreviations and Acronyms

1. DDD
   Dirsct Distance Dialed
2. DID
   Direct-Inward-Dial
3. DID
   Direct Inward Dialling
4. DID
   Direct Inward Dialed
5. DID
   Dcrect Inward Dials
6. DID
   Direct Inbound Dial
7. NSPL
   National Suicide Prevention Lifeline
8. RDD
   Random-Digit-Dial
9. RDD
   Random Digit Dial
10. RDD
    Random Digit Dialling
11. VAD
    Voice Activated Dialling
12. 988
    National Suicide Prevention Lifeline

Last updated: October 19, 2021 — Total entries: 12