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