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Chapter 2 Scope and Implementation Schedule of Number Portability
Article 3
Operators shall provide Number Portability from the date when they start using subscribers’ numbers for business.
Number Portability is limited to portability between numbers of the same classification.
The classification available for portability in the preceding paragraph is as follows:
1. Local phone numbers.
2. Mobile phone numbers.
3. 080 free phone number.
Number Portability for local phone numbers in Subparagraph 1 of the preceding paragraph shall be installed in the same location in principle. Except otherwise stipulated in the service agreement.