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Jane Patterson

Tel: (225) 342-7701
Fax: (225) 342-6867
Email: otm@la.gov

Mailing Address:
P.O. Box 94280
Baton Rouge, Louisiana 70804

Physical Address:
Galvez Building
602 North Fifth Street
Baton Rouge, LA 70802

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Dialing Instructions

Long Distance Calls
To place a business-related long distance call:

  • From an AT&T Centrex line
    • Dial 9 + 1 + the area code + the seven-digit telephone number.
  • From a business line
    • Dial 1 + the area code + the seven-digit telephone number.
  • From a PBX
    • PBX users should check with their local PBX administrator for dialing instructions.

Calls to a Toll Free Number
To place a call to a toll free (800/888/877/866/855) number:

  • From an AT&T Centrex line
    • Dial 9 + the toll free number
  • From a business line
    • Dial 1 + the toll free number
  • From a PBX
    • PBX users should check with their local PBX administrator for dialing instructions.

International Calls
To place a business-related international call:

  • From an unrestricted AT&T Centrex line
    • Dial 9 for an outside line then dial 0 + 11, the country code, city code, and the local number.
  • From an unrestricted business line or trunk
    • Dial 0 + 11, the country code, city code, and the local number. 
  • From a PBX
    • Obtain an outside line then dial 0 + 11, the country code, city code, and the local number.
    • PBX users should contact their system administrators for feature and dialing instructions.
Local Dialing
To place a local call:
  • From an AT&T Centrex line:
  • From a business line:
    • Dial the seven-digit telephone number
  • From a PBX
    • PBX users should check with their local PBX administrator for dialing instructions.