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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
id number
Grammar usage guide and real-world examplesUSAGE SUMMARY
"id number" is a perfectly acceptable and grammatically correct expression in written English.
Example: Please provide your passport details and ID number.
✓ Grammatically correct
Academia
Wiki
News & Media
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
Or your father's federal prison ID number.
News & Media
First, you need a premise ID number.
Academia
What is Stanford's federal tax ID number?
Academia
Available Federal premises ID number(s).
Academia
What is my membership ID number?
Academia
RLIN AMC record ID number: NYDA93-A1.
Academia
1. Employees need a UCB employee ID number or Affiliate ID number.
Where Do I Find My DCE ID Number and PIN?
Academia
When you were hired, you received an ID number.
Your DCE ID number begins with the "@" symbol.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Of these 23.1% lacked ID-number (pseudonym).
Science
Expert writing Tips
Best practice
When requesting an "id number", specify the type of ID (e.g., student, employee, tax) for clarity.
Common error
Avoid using "id number" interchangeably with social security numbers or other sensitive data. Ensure that the requested ID serves the intended purpose and adheres to privacy guidelines.
Source & Trust
76%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "id number" primarily functions as a noun phrase, often used as an attribute to identify a person, object, or entity. It is frequently employed to request or specify a unique identifier, as demonstrated by Ludwig's examples.
Frequent in
Academia
33%
Wiki
29%
News & Media
12%
Less common in
Science
12%
Formal & Business
1%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "id number" is a common and grammatically sound noun phrase used to refer to identification codes. Ludwig AI confirms its acceptability and widespread usage across various domains, notably academia, wiki, and news media. When using "id number", specify the type of identification for clarity, and be mindful of data privacy. Alternative phrases like "identification number" or "reference number" can be used depending on the context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Identification number
A more formal and explicit term for "id number".
Identifier
A general term for any value used to identify a record.
Reference number
Suitable in contexts where the ID is used for referencing something specific.
Membership number
Used specifically in the context of memberships.
Registration number
Relevant when the ID is associated with a registration process.
Tax identification number
Specifically refers to the ID used for tax purposes.
Employee identification number
Denotes a number used to identify an employee within a company.
Student identification number
Specific to academic settings, identifying students.
Record number
A more database-oriented term for identifying a record.
Unique identifier
Emphasizes the uniqueness of the identification code.
FAQs
What's the difference between "id number" and identification number?
"Id number" is an abbreviated form of "identification number". The terms are often used interchangeably, though the latter is more formal.
What can I say instead of "id number"?
Depending on the context, you can use alternatives like "reference number", "identifier", or "registration number".
How do I correctly format an "id number" in a document?
The format of an "id number" varies depending on the issuing organization. Generally, it's best to reproduce it exactly as provided, including any leading zeros or special characters.
Is it safe to share my "id number" online?
Sharing your "id number" depends on the context and the security of the platform. Only share it on trusted and secure websites or applications when required for legitimate purposes.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
76%
Authority and reliability
4.5/5
Expert rating
Real-world application tested