Local Number Portability Publication Suite


C540:2007 Local Number Portability

C540:2007 (pdf 628kb)

The Local Number Portability Industry Code specifies operational processes between customers and Access Service Deliverers (ASDs) and between ASDs for local number portability. It defines the processes for porting of numbers, any restrictions that apply to ported numbers and processes for moving a ported number.

Revision of the Code

The Code was revised in 2007 to:

  • allow ULL Call diversion and Cat. D Porting of Telephone Numbers where the Access Provider is not the Donor C/CSP but is the Losing C/CSP.
Related material

Eligible Party Identification Codes List


G602.1:2009 Local Number Portability IT Specifications and Operations Manual Part 1 - General, Give Back and Ported Local Number Register Processing

G602.1:2009(.pdf, 379 KB)

Defines the General, Give Back and Ported Local Number Register Processing operational arrangements and the IT Specifications for the implementation of Local Number Portability processes between Carriers and CSPs described in the C540:2007 Local Number Portability Industry Code.


G602.2:2007 Local Number Portability IT Specifications and Operations Manual Part 2 - Category A Processing

G602.2:2007 (.pdf, 434 KB)

Defines the Category A Processing operational arrangements and the IT Specifications for the implementation of Local Number Portability processes between Carriers and CSPs described in the C540:2007 Local Number Portability Industry Code.


G602.3:2007 Local Number Portability IT Specifications and Operations Manual Part 3 - Category B Processing

G602.3:2007 (.pdf, 853 KB)

Defines the Category B Processing operational arrangements and the IT Specifications for the implementation of Local Number Portability processes between Carriers and CSPs described in the C540:2007 Local Number Portability Industry Code.


G602.4:2007 Local Number Portability IT Specifications and Operations Manual Part 4 - Category C Processing

G602.4:2007 (.pdf, 585 KB)

Defines the Category C Processing operational arrangements and the IT Specifications for the implementation of Local Number Portability processes between Carriers and CSPs described in the C540:2007 Local Number Portability Industry Code.


G602.5:2007 Local Number Portability IT Specifications and Operations Manual Part 5 - Category D Processing Defines the Category D Processing

G602.5:2007(.pdf, 320 KB)

Defines the Category D Processing operational arrangements and the IT Specifications for the implementation of Local Number Portability processes between Carriers and CSPs described in the C540:2007 Local Number Portability Industry Code.


G603:2004 Local Number Portability IT Test Strategy

G603:2004(.pdf, 357 KB)

Defines the framework for testing of IT Specifications associated with G602:2003 Local Number Portability Operations Manual and IT Specification Industry Guideline


G613.1:2004 Local Number Portability IT Test Plan Part 1

G613.1:2004 (.pdf, 411 KB)

Provides the basis of the framework for testing general LNP functionality and new participants to LNP.


G613.2:2004 Local Number Portability IT Test Plan Part 2 - Category A

G613.2:2004 (.pdf, 530 KB)

Provides the basis of the framework for testing LNP functionality for Category A processes and new participants to LNP.


G613.3:2004 Local Number Portability IT Test Plan Part 3 - Category B

G613.3:2004 (.pdf, 776 KB)

Provides the basis of the framework for testing LNP functionality for Category B processes and new participants to LNP.


G613.4:2004 Local Number Portability IT Test Plan Part 4 - Category C

G613.4:2004 (.pdf, 792 KB)

Provides the basis of the framework for testing LNP functionality for Category C processes and new participants to LNP.


G613.5:2004 Local Number Portability IT Test Plan Part 5 - Category D

G613:.5 2004 (.pdf, 359 KB)

Provides the basis of the framework for testing LNP functionality for Category D processes and new participants to LNP.


G520:2005 Local Number Portability - Network Plan

G520:2005 (.pdf, 433 KB)

Defines the call handling and technical interconnection arrangements for local number portability, based on a model of interconnected networks. The model of interconnected networks is derived from AUSTEL's Interconnection Model of March 1995. The Plan also provides a description of the initial solutions being used for providing local number portability in Australia.

This Specification was reconfirmed in 2010 and the next review is scheduled to occur in 2015.