State 

Alternate Names for the 'Payer's State Number' in Respective States

State Withholding Number valid Format

Alabama (AL)

Alabama Withholding Tax Account Number

• 10 digits (Eg: 0000123456)

(or)

• constant R followed by 9 digits (Eg: R007999999)

Arizona (AZ)

Arizona Withholding Account Number

• 2 digits and hyphen followed by 7 digits (Eg: 99-9999999

(or)

• 9 digits without a hyphen (Eg: 999999999)

Arkansas (AR)

Arkansas State Income Tax ID Number    

• 11 digits without a hyphen followed by a constant (Eg, 12345678WHW)

(or)

• 9 digits without hyphen (Eg: 999999999)

(or)

• 11 digits with a hyphen followed by a constant (Eg, 12345678-WHW)

(or)

• 11 digits with a hyphen followed by a constant (Eg, 99999999-ZZZ)

California (CA)

State ID number

• 8 digits starting with 3 digits, a hyphen 4 digits and hyphen 1 digit (Eg: 999-9999-9)

(or)

• 8 digits (Eg: 99999999)

(or)

• 12 digits (Eg: 999999999999)

(or)

• 9 digits (Eg: 999999999)

Colorado (CO)

Colorado Account Number

• 8 digits (Eg: 99999999)

Connecticut (CT)

Connecticut Tax Registration Number       

• 9 digits followed by a hyphen and 3 digits (Eg: 999999999-999)

(or)

• 12 digits (Eg: 999999999999)

Delaware (DE)

Delaware Withholding Tax Account Number    

• The state accepts the Federal TIN as the state ID number. It consists of 9 digits (Eg: 999999999)

District of Columbia (DC)

DC Withholding Account Number  

• 12 digits without hyphen (Eg: 999999999999)

• 9 digits (Eg: 999999999)

Georgia (GA)

Withholding Number

• 7 digits and a hyphen followed by 2 Constant (Eg: 9999999-AA)

(or)

• 7 digits followed by a 2 Constant (Eg: 9999999AA)

Hawaii (HI)

Tax ID Number

• 11 digits starting with the constant "W," followed by 8 digits, a hyphen, and 2 digits (Eg: W12345678-01)

(or)

• 15 digits starting with the constant "WH," followed by a hyphen, 3 digits, another hyphen, 3 digits, another hyphen, 4 digits, and a final hyphen with 2 digits (Eg: WH-987-654-3210-01).

Idaho (ID)

Idaho Withholding Account Number

• 9 digits Account Number (Eg: 999999999)

Illinois (IL)

Taxpayer ID

• 2 digits hyphen followed by 7 digits (Eg: 99-9999999)

(or)

• 2 digits hyphen followed by 7 digits space 3 digits (Eg: 99-9999999 999)

Indiana (IN)

Tax Identification Number

• 10 digits space followed by 3 digits (Eg: 9999999999 999)

(or)

• 10 digits employer TID followed by 3 digit Employer TID Location number (Eg: 9999999999-001)

Iowa (IA)

Iowa Withholding Permit Number   

• 12 digits starting with 2 digits, followed by a hyphen and 10 digits (Eg: 99-9999999999)

(or)

• 12 digits starting with 2 digits, followed by a hyphen, 7 digits, and a final hyphen with 3 digits (Eg: 99-9999999-999)

Kansas (KS)

Kansas Withholding Account Number

• 15 digits with starting 036 Followed by 9 digits and hyphen followed by F01 (Eg: “036” - Federal EIN - “F01”)

(or)

• 15 digits with starting 036 followed by 9 digits and F constant and hyphen 01 (Eg: 036-123456789F-01)

Kentucky (KY)

Kentucky Withholding Tax Account Number

• 6-digit state income tax withholding account number (Eg: 999999)

Louisiana (LA)

Louisiana Revenue Account Number 

• 10 digits (Eg: 9999999999)

Maine (ME)

Withholding Account Number

• 11 digits withholding account number (Eg:99999999999)

Maryland (MD)

Maryland Central Registration Number     

• 8 digits (Eg: 99999999)

Massachusetts (MA)

Massachusetts Withholding Account Number

• 3 constant and a hyphen followed by 8 digits and a hyphen followed by 3 digits (Eg: WTH-99999999-999)

(or)

• 2 digits and a hyphen followed by 7 digits (Eg: 99-9999999)

(or)

• 8 digits (Eg: 99999999)

(or)

• 9 digits with a hyphen (Eg: 999-999-999)

Michigan (MI)

Michigan Withholding Account Number   

• 2 digits and hyphen followed by 7 digits (Eg: 99-9999999)

(or)

• 9 digits (Eg: 999999999)

(or)

• 2 constant and a hyphen followed by 7 digits (Eg: ZZ-9999999)

Mississippi (MS)

Mississippi Withholding Account Number    

• 4 digits and a hyphen followed by 4 digits (Eg: 9999-9999)

(or)

• 2 digits and a hyphen followed by 7 digits (Eg: 99-9999999)

(or)

• 9 digits (Eg: 999999999)

Missouri (MO)

Missouri Withholding Account Number    

• 8 digits (Eg: 99999999)

Montana (MT)

Montana Withholding Account Number     

• 10 digits and a hyphen followed by 3 constants (Eg: 9999999999-WTH) or

• 7 digits and a hyphen followed by 3 digits and a hyphen followed by 3 constants (Eg: 9999999-999-WTH)

Nebraska (NE)

Nebraska ID Number

• 9 digits (Eg:999999999)

New Jersey (NJ)

New Jersey Employer Registration Number   

• 9 digits and a slash or / followed by 3 digits (Eg: 999999999/999)

(or)

• 3 digits and a hyphen followed by 3 digits and a hyphen followed by 3 digits and a slash or / followed by 3 digits (Eg: 999-999-999/999)

New Mexico (NM)

New Mexico Business Tax Identification Number (NMBTIN)

• 2 digits, hyphen, 6 digits, hyphen, 2 digits, hyphen followed by one digit. (Eg:99-999999-99-9)

(or)

• 2 digits, hyphen, 6 digits, hyphen followed by 3 digits (Eg:99-999999-999)

North Carolina (NC)

Withholding Account Identification Number

• 2 digits and a hyphen followed by 7 digits (Eg: 99-9999999)

(or)

• 9 digits (Eg: 999999999)

North Dakota (ND)

Account Number

• 11 digits (Eg:12345678901)

Ohio (OH)

Ohio Withholding Account Number

• 2 digits and a hyphen followed by 6 digits (Eg: 51-999999)

(or)

• 2 digits and a hyphen followed by 6 digits (Eg: 99-999999)

(or)

• 2 digits space followed by 6 digits (Eg: 99 999999)

(or)

• 2 digits space followed by 6 digits (Eg: 59 999999)

Oklahoma (OK)

Oklahoma Withholding Tax Account ID

• 3 constants and a hyphen followed by 8 digits and a hyphen followed by 2 digits (Eg: WTH-10000000-99)

Oregon (OR)

Oregon Business Identification Number  

• 7 digits and a hyphen followed by 1 digit (Eg: 9999999-9)

(or)

• 8 digits (Eg: 99999999)

Pennsylvania (PA)

Account Number

• 4 digits and space followed by 4 digits (Eg: 9999 9999)

(or)

• 8 digits (Eg: 99999999)

Rhode Island (RI)

Rhode Island Withholding Account Number 

• 2 digits hyphen followed by 7 digits. (Example: 99-9999999)

(or)

• 9 digits. (Example: 999999999)

South Carolina (SC)

Withholding File Number

• 2 digits and a hyphen followed by 7 digits (Eg: 99-9999999)

(or) 

• 9 digits (Eg: 999999999)

(or)

• 8 digits and a hyphen followed by 1 digit (Eg: 99999999-9)

• 2 digits and a hyphen followed by 7 digits (Eg: 99-9999999)

(or)

• 9 digits (Eg: 999999999)

Utah (UT)

Utah Withholding Account ID     

• 11 digits followed by 3 constants (Eg: 12345678901WTH)

(or)

• 8 digits, hyphen, 3 digits, and hyphen followed by constant WTH (Eg: 99999999-999-WTH)

Minnesota (MN)

Minnesota Withholding Tax ID Number

• 7 digits (Eg: 1234567)

Vermont (VT)

Vermont Withholding Account Number    

• 3 constants followed by 8 digits (Eg: WHT12345678)

Virginia (VA)

Virginia TAX Account Number

• 2 digits, hyphen 9 digits and 1 constant and a hyphen followed  by 3 digits (Eg: 30-123456789F-001)

(or)

• 10 digits (Eg: 9999999999)

West Virginia (WV)

WV tax account number

• 8 digits (Eg: 99999999)

Wisconsin (WI)

Withholding tax account number

• Constant 036 hyphen 10 digits hyphen followed by 2 digits (Eg: 036-9999999999-99)

(or)

• Constant 36 followed by 12 digits (Eg: 36999999999999)

Wyoming (WY)

Washington (WA)

South Dakota (SD)

Texas (TX)

Nevada (NV)

Alaska (AK)

New Hampshire (NH)

New York (NY)