Closing Information
**1 September 2008: In anticipation of Labor Day holiday weekend, ARIN will be closing its offices two hours early on Friday, 29 August 2008. The Financial Services Help Desk (+1.703.227.9886) will close at 3:00 PM followed by the Registration Services Help Desk (+1.703.227.0660) which will close at 4:30 PM. ARIN's offices will be closed on Monday, 1 September 2008 and will resume normal operating hours on Tuesday, 2 July 2008..
Operating Hours
The offices of the American Registry for Internet Numbers (ARIN) are open from 7:00 AM to 7:00 p.m. ET, Monday through Friday. When our offices are closed, messages may be left for the ARIN Registration Services Help Desk (703-227-0660), ARIN's Billing Help Desk (703-227-9886), or on ARIN's main number (703-227-9840). E-mail to ARIN will continue to be processed when the office is closed; however in the event of holidays or closings due to inclement weather, responses or the processing of resource requests may be delayed.
Holidays
Throughout the year, ARIN closes its offices for some holidays. These closings will be noted at http://www.arin.net. The holidays ARIN's offices are closed are as follows:
| Holidays for 2008 | Date |
|---|---|
| New Year's Day | Tuesday, 1 January |
| Martin Luther King, Jr. Day | Monday, 21 January |
| Presidents' Day | Monday, 18 February |
| Memorial Day | Monday, 26 May |
| Independence Day | Friday, 4 July |
| Labor Day | Monday, 1 September |
| Thanksgiving Day | Thursday, 27 November and Friday, 28 November |
| Christmas Holiday | Thursday, 25 December and |
| In addition, our offices will be closed 2 hours early on: 23 May, 29 August, 26 November, 24 December | |
Inclement Weather
From time to time, ARIN may need to close its offices due to inclement weather or other extreme circumstances. When these conditions exist, there will be a notice posted at http://www.arin.net/. Normal operations will resume as soon as possible.