Directorate:

managing Directorate : 88801807

The Pipelines Directorate : 88908402

Telecommunication Directorate : 88900094

Engineering and Projects Directorate : 88829213

Planning Directorate : 88900097

Administrative Directorate : 88908670

Procurement Directorate : 88902108

Financial Affairs Directorate : 88902104

Legal and Contracts Affairs : 88902101

Research and Development (R& D) : 88498002

Internal Auditing : 88909918

Technical Inspection : 88924161

HSE : 88909241

Security : 88498007

Public Relations : 88801960

Districts:

Southeast District : 61665000-1

North District : 61654000

Isfahan District : 61622775

West District : 61697822

Fars District : 61670001-2

Northwest District : 61646001-2

Northeast District : 61650010

Tehran District : 61640001-2

Central District : 61690000

Lorestan District : 61695001

Khuzestan District : 61676011-15