Relationship with Granite[edit] The post office for the 21163 ZIP code is in Woodstock, Howard County, but the ZIP code covers, and the post office serves, residents of both counties. The post office also serves the 21104 ZIP code, which is similarly split between Howard and Carroll Counties.
Tax Phone Numbers and Addresses. TeleTax is the IRS toll-free telephone service that provides both recorded tax information and automated refund information. Recorded Tax Information consists of approximately 150 recorded topics that provide basic tax information. This Touch-Tone service is available 24 hours a day, 7 days a week. Select, by number, the topic you want to hear, and then call 1-800-829-4477. You can also use the online version here: http://www.irs.gov/taxtopics/.
Business Taxpayer IRS Phone Numberâ 1-800-829-4933 â This number again can be used to address some of the same examples given above with the individual taxpayer line.However, this is solely for businesses.perational Hours: This number is valid from 7am to 10pm within your local time zone. IRS Phone Number for Taxpayers Living Abroad (International) â If you are calling about an issue with filing electronically contact the Austin Office at 512-416-7550 (7am to 6pm CST)..