Every registered business has at least one government-issued identifier that proves its legal existence. These numbers are used for tax, regulatory compliance, verification, and in this case, your Twilio registration. Different countries and regions use different systems.
Different countries and regions use different systems. Not all countries require a business registration number when registering your Twilio account- we list the most common ones below.
Region | Business Registration Identifier | Code | Issued By | Format |
|
US | Employer Identification Number | EIN | IRS | XX-XXXXXXX (9 digits) |
|
Canada | Canadian Business Number | CBN | CRA | XXXXXXXXX (9 digits) |
|
Canada | Canadian Corporation Number | CCN | Provincial | XXXXXXX (7 digits) |
|
UK | Company Registration Number | CRN | Companies House | YYXXXXXX (8 characters) |
|
Australia | Australian Company Number | ACN | ASIC | XXX-XXX-XXX (9 digits) |
|
India | Corporate Identification Number | CIN | Ministry of Corporate Affairs | 21-character alphanumeric |
|
Global | Value Added Tax | VAT | National Tax Authority | CCXXX... (8-12 characters starting with country code) |
|
Global | Data Universal Numbering System | DUNS | Dun & Bradstreet | XXXXXXXXX (9 digits) |
|
Where Can I Locate my Business Registration Number?
Your business registration identifier can usually be found on your official registration documents, tax filings, or government business portals. The exact location depends on the country where your company is registered.
Below are common places to locate it:
United States (EIN)
You can find your Employer Identification Number (EIN) on:
IRS EIN confirmation letter (Form CP 575)
Business tax returns
Payroll or accounting records
IRS Business Account portal
Bank documents used to open your business account
Canada (CBN)
Your Canadian Business Number (CBN) can be found on:
Canada Revenue Agency (CRA) correspondence
GST/HST registration documents
Payroll or corporate tax filings
CRA My Business Account
Note: A provincial corporation number (such as an OCN in Ontario) is not the same as the federal CRA Business Number. Instead, this would fall under the CCN code.
Canada (CCN)
Canadian businesses may also have a Canadian Corporation Number (CCN). You can find your CCN on:
Your Certificate of Incorporation
Federal corporate filings
Corporations Canada registry
United Kingdom (CRN)
Your Company Registration Number (CRN) appears on:
Your certificate of incorporation
Companies House filings
Official company documents and invoices
The Companies House public registry
Australia (ACN)
Your Australian Company Number (ACN) is listed on:
Your certificate of registration from ASIC
Company extracts from ASIC
Official company filings and legal documents
India (CIN)
Your Corporate Identification Number (CIN) can be found on:
Certificate of Incorporation
Ministry of Corporate Affairs (MCA) company filings
The MCA public company registry
VAT Number (Global)
Your VAT number is issued by your national tax authority and typically appears on:
VAT registration certificate
Business tax filings
Invoices issued by your company
Your country’s tax authority portal
DUNS Number (Global)
Your DUNS number is issued by Dun & Bradstreet and can be found on:
Your Dun & Bradstreet business profile
Vendor or procurement registration documents
D&B lookup tools