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/.
IRS Customer Service Phone Number: 1-800-829-1040. The IRS is a bureau of the Department of the Treasury and one of the world's most efficient tax administrators. In fiscal year 2012, the IRS collected more than $2.5 trillion in revenue and processed more than 237 million tax returns. IRS Main Office.