Standard Due Dates

2019 AT&T Observed Holidays

Region Date Holiday
All Tuesday Jan 01, 2019 New Year's Day
All Monday Jan 21, 2019 Martin Luther King Day
All Monday Feb 18, 2019 President's Day
All Friday Apr 19, 2019 Good Friday
All Monday May 27, 2019 Memorial Day
All Thursday Jul 04, 2019 Independence Day
All Monday Sep 02, 2019 Labor Day
All Monday Oct 14, 2019 Columbus Day
All Thursday Nov 28, 2019 Thanksgiving Day
All Friday Nov 29, 2019 Day after Thanksgiving
All Tuesday Dec 24, 2019 Christmas Eve
All Wednesday Dec 25, 2019 Christmas Day

The Local Service Centers (LSC) and Billing Service Center (BSC) will observe these holidays.

The OSS systems will be available during normal hours for each day and e-mail request will be accepted as well.

None of the dates above are valid due dates, unless specified otherwise on the due date board. Please use the due date board to validate due dates for these observed holidays.

Systems Hours of Operation

https://clec.att.com/clec_documents/unrestr/hb/13 State/227/oss/OSSHours.xls
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