NZ Number Portability Checker
Check which network a New Zealand mobile number belongs to using real-time IPMS data
Check Number Portability
About Number Portability in New Zealand
The Industry Portability Management System (IPMS) allows customers to keep their mobile number when switching between carriers. This tool checks the central IPMS database to determine which network currently services a number.
Number Porting
Keep your number when switching carriers
Real-Time Data
Live lookup from IPMS database
Accurate Results
Official carrier information
Supported New Zealand Networks
025, 027
020, 021, 029
022, 028
Note: Original prefixes shown above. Numbers can be ported to any network regardless of original prefix.
Checking lots of numbers?
Use our phone number validation API: pay-as-you-go lookups at just $0.005 per lookup + GST.
Need to send messages too? Our SMS gateway NZ delivers to any NZ network from 10c per SMS.
Why Check Number Portability?
SMS Routing
Ensure messages are routed through the correct carrier for optimal delivery
Cost Management
Different carriers may have different termination rates
Performance
Route messages through the fastest available path
Verification
Verify carrier information for business operations
Integrate with Your Systems
Our Phone Number Validation API lets you check carrier information and portability status programmatically.