Secretary of State Contact Telephone Numbers.
Secretary of State Contacts by State
Use the contact numbers and official search links below to find your company’s Secretary of State (SOS) Number. This number is required to complete your resale certificate or tax ID application.
Louisiana Secretary of State
Phone: (225) 925-4704
Texas Secretary of State
Phone: (512) 463-5555
Additional Phone Numbers
Arkansas Secretary of State (SOS) : 501-682-1010
California Secretary of State (SOS) : (916) 653-6814
Colorado Secretary of State (SOS) : 303-894-2200
Louisiana Secretary of State (SOS) : 225-925-4704
Indiana Secretary of State (SOS) : 317-234-9768
Missouri Secretary of State (SOS) : 866-223-6535
New Jersey Secretary of State (SOS) : 609-586-2600
North Carolina Secretary of State (SOS) : 919-814-5400
Texas Secretary of State (SOS) : 512-463-5600