Source note · Registering A2P 10DLC in Twilio
Only one +1 10DLC number can be registered to a Sole Proprietor Campaign; additional numbers in its Messaging Service stay unregistered and are blocked with error 30034.
Checked 2026-10-14
Only one 10DLC number can be registered for that Campaign.
- Vendor
- Twilio
- Product
- Programmable Messaging
- Subsystem
- A2P 10DLC sole proprietor
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- 30034: US A2P 10DLC - Message from an Unregistered Number — Twilio · tier 2 current vendor documentation · 'Possible causes' and 'Possible solutions'
Cite this note
APA
WarmTransfer. (2026, October 14). Registering A2P 10DLC in Twilio: source note twilio-a2p-10dlc-registration-sole-prop-one-number. WarmTransfer. https://warmtransfer.net/knowledge/claims/twilio-a2p-10dlc-registration-sole-prop-one-number
BibTeX
@misc{warmtransfer-claim-twilio-a2p-10dlc-registration-sole-prop-one-number,
title = {Registering A2P 10DLC in Twilio: source note twilio-a2p-10dlc-registration-sole-prop-one-number},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/twilio-a2p-10dlc-registration-sole-prop-one-number},
note = {Source note twilio-a2p-10dlc-registration-sole-prop-one-number, checked 2026-10-14}
}