02 — Capability · BC-1440.30
Numbering & Porting
Assign telephone numbers from a well-kept inventory and move numbers between carriers when customers switch, quickly and without losing service.
- Number Management
- Number Portability
- Telephone Number Inventory
In scope
- Number block inventory and assignment
- Port-in requests from other carriers
- Port-out requests and fraud checks
Out of scope
- Account takeover and identity fraud investigation (see BC-760.20)
- Regulatory numbering policy engagement (see BC-140.50)
Decomposes into · 4
- BC-1440.30.10Telephone Number InventoryTrack number blocks, their status and aging so numbers are available where needed and returned numbers are reused correctly.
- BC-1440.30.20Number AssignmentReserve and assign numbers to new lines, including vanity and sequential requests for business customers.
- BC-1440.30.30Port-In ProcessingRequest a customer's number from their previous carrier and complete the transfer at an agreed time with no gap in service.
- BC-1440.30.40Port-Out ProcessingRelease numbers to other carriers on valid requests, checking authorization to prevent fraudulent transfers.