英和和英

serial number method

authentication number

a number check

a serial number

a raffle number

Entry number

a toll‐free number

the opening number

the Seventh Anniversary Number

a number called a train number

a prime number

a back number

a back number

a prescribed number

Form No. 2

Form No. 1

give numbers to

Could I have extension 105?

(Give me) extension 105, please.

Extension number is 2174.

the number on the license plate that identifies the car that bears it

scheduled for the 6th prox

May I have Extension 363, please?

Number [Count] off!

Your number doesn't answer.

an extension number [telephone]

the area code of a telephone number

an ex-directory number(British usage)

Here's my account number.

six major textbooks in the ancient China, called 'rikkei'