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New Hampshire Tax Office Phone Numbers

NH Department of Revenue Administration main number is (603) 230-5000

Business hours: 8:00 A.M. to 4:30 P.M., Monday through Friday.

Administration Unit Office
(603) 230-5005

ASSISTANT COMMISSIONER: (603) 230-5005

Discovery Bureau
PO Box 488, Concord, NH 03302-0488
(603) 230-5086

Hearings Bureau
PO Box 1467, Concord, NH 03302-1467
(603) 230-5002

Legal Bureau
PO Box 457, Concord, NH 03302-0457
(603) 230-5026

Human Resources
PO Box 457, Concord, NH 03302-0457
(603) 230-5015

Audit Division
PO Box 457, Concord, NH 03302-0457
(603) 230-5030 Fax (603) 230-5949

Tax Collection Division
PO Box 454, Concord, NH 03302-0454
(603) 230-5900 Fax: (603) 230-5946

Department of Information Technology (Embedded staff)
PO Box 457, Concord, NH 03302-0457
(603) 230-5996

Property Appraisal Division
109 Pleasant Street, PO Box 487, Concord, NH 03302-0487
(603) 230-5950 Fax (603) 230-5943

Low & Moderate Income Homeowner’s Property Tax Relief
PO Box 299, Concord, NH 03302-0299
(603) 230-5920 prompt #2, then prompt #2

Municipal Services Division
109 Pleasant Street, PO Box 487, Concord, NH 03302-0487
(603) 230-5090 Fax (603) 230-5947

Administrative Rules
109 Pleasant Street, Concord, NH 03301
(603) 230-5026.

Laws, Statutes, & Tax Rules
(603) 230-5001.

Customer service
(603) 230-5026

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PLEASE NOTE: ALL WALK-IN IRS OFFICES ARE BY APPOINTMENT ONLY UNLESS YOU ARE MAKING A PAYMENT (CHECK OR MONEY ORDER) OR SUBMITTING A CURRENT YEAR RETURN. CASH PAYMENTS NEED AND APPOINTMENT. FOR APPOINTMENTS PLEASE CALL 1-844-545-5640.

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