RM 01001.001 Employer Identification Number (EIN)

A. What is the purpose of an EIN?

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The EIN is a nine-digit identification number used to search and locate Form SS-4 (Application for Employer Identification Number) that employers filed.
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The EIN identifies employers in a variety of internal operations and in correspondence regarding employer reporting.
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The EIN provides a means of comparing and reconciling our records with those of the Internal Revenue Service (IRS).
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The EIN is the source for the development of various statistics used in the administration of many Federal programs.

The IRS assigns the EIN in this format 00-0000000. This table describes what the parts of an EIN indicate.

EIN Part	Description
00-0000000	The EIN is a nine-digit number.
00-0000000	The first two-digits (EIN Prefix) indicate which IRS Campus assigns the EIN.
00-0000000	The last seven-digits indicate the serial portion of the number.

RM 01001.004 List of Internal Revenue Service (IRS) Campuses with Code and Unique EIN Prefix

RM 01001.001 - Employer Identification Number (EIN) - 02/06/2015
Batch run: 02/06/2015
Rev:02/06/2015