Carrier and line-type lookup limits
Numbers can be ported, and lookup results have freshness and coverage limits. Store the result date and source rather than treating a label as permanent.
Putting the guide into practice
Use lookup information to inform supported-channel planning and investigate errors. Keep the decision separate from consent evidence and campaign district matching.
- Lookup source
- Result date
- Line type
- Coverage caveat
Limits and review decisions
Do not treat a mobile line type as authorization to text. Confirm the campaign's permission and use requirements independently.