+675

Country code: +675
International call prefix: 00

Telephone numbers in Papua New Guinea consist of a seven digit national number, which is used for fixed, mobile and special rate services. There are no access codes for trunk services.

International dialling format: +675 NXX XX XXX

The international prefix for Papua New Guinea was changed from ‘05’ to ’00’ in 2010.

73088486

Broadly numbers are allocated to the following categories:

...
Wikipedia