Skip to main content Frequently asked questions about Powerpack, Plivo’s intelligent number pool for optimized message delivery.
Powerpack Overview
For detailed information on what Powerpack is, its benefits, features (Smart Sender, Local Connect), and setup instructions, see Powerpack Concepts .
For code examples, see the Powerpack Quickstart Guide .
What types of numbers can I add to Powerpack?
Long Codes
Add US/Canada long codes for A2P messaging:
Requires 10DLC registration for optimal throughput
Recommended: < 200 messages/day per number
Toll-Free Numbers
Add verified toll-free numbers:
Higher throughput (25 MPS)
Best for 2FA, notifications
Short Codes
Add short codes for maximum throughput:
One US short code per Powerpack
One Canada short code per Powerpack
Same short code cannot be in multiple Powerpacks
Can I add a short code number to my Powerpack?
Yes. You can add one US short code and one Canada short code per Powerpack.
Can I add multiple short code numbers to my Powerpack?
No. Only one US short code and one Canada short code per Powerpack.
Can I add the same short code number to multiple Powerpacks?
No. A short code can only belong to one Powerpack.
What are the benefits of adding a short code to my Powerpack?
Maximum throughput (100+ MPS)
Carrier-approved for A2P messaging
Falls back to long codes if short code is unavailable
Why are long code numbers being used for outbound messages when I have a short code in my Powerpack?
Even with short code priority enabled, long codes may be used when:
Short code throughput exceeded
Network compatibility issues
Carrier-specific routing
How do I remove a short code from my Powerpack?
To disable short code:
Disable “prioritize short code” feature
Messages will use other numbers
To permanently remove:
Open support ticket
Request short code removal
What happens when a Powerpack SMS or MMS recipient replies with an opt-out keyword?
When recipient texts STOP:
Subscriber added to suppression list for that source number
Future messages to that recipient are blocked
Message marked “failed” with appropriate error code
Suppression List
Per-number suppression tracking
Automatic compliance with opt-out requests
View suppression list in console
How are incoming messages to numbers in my Powerpack handled?
Assign an application to your Powerpack to handle incoming messages.
How can I modify an application associated with a Powerpack?
Navigate to your Powerpack
In Application Configuration, select type:
Select the application name
Update
How can I remove an application from Powerpack?
Open Powerpack settings
In application type, select any option
In application name dropdown, select ”-------”
Update
Can I use PHLOs to handle incoming messages in my Powerpack?
Yes. Use PHLO for visual message handling:
Create a PHLO for incoming messages
Add PHLO to Powerpack’s application configuration
Incoming messages trigger PHLO workflow
How can I send 6,000 or more SMS messages per day using a long code in the US?
For US long codes without 10DLC, the limit is < 200 messages/day per number.
Options:
Register for 10DLC to increase limits
Add multiple numbers to your Powerpack
Use toll-free or short codes
Volume Recommended < 2,000/day Registered long codes 2,000-50,000/day Toll-free 50,000+/day Short code
Add Numbers
Navigate to Powerpack
Click Add Numbers
Select from available numbers
Add to pool
Remove Numbers
Navigate to Powerpack
Select numbers to remove
Click Remove
What happens if I unrent a Powerpack phone number?
The number is removed from the Powerpack. Messages will be sent from remaining numbers in the pool.