noun, noun which may take the genitive case particle 'no'
within an office; inside a bureau; in-house
Refers to the interior of an office, branch, or bureau; often used in contexts like internal communications or facilities.
局内の電話番号を教えてください。
Please tell me the internal phone number.
局内の食堂は午後2時に
The in-house cafeteria closes at 2 p.m.