IRS Small Business Kit, Including Tax ID Form Tax Id Telephone numbers: (404) 455-2360 (Florida, Georgia, Sourth Carolina); (516)447-4955 (NJ, NY -Nassau, Rockland, Suffolk, Westchester); (508)474-9717 (NY - all other counties, Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont); (816) 926-5999 (Illinois, Iowa, Minnesota, Missouri, Wisconsin); (215) 574-2400 (Delaware, District of Columbia, Maryland, Pennsylvania, Virginia); (606) 292-5467 (Indiana, Kentucky, Michigan, Ohio, West Virginia); (512) 460-7843 (Kansas, New Mexico, Oklahoma, Texas). "The Numbers May Change Without Notice. Use 1-800-829-1040 to verify a number or to ask about an application by mail or other Federal tax matters."