The Okhla Industrial Area Phase I S.o Post Office is a government office that provides postal services, including mail delivery, postage stamp sales, speed post in one day delivery and services. Mail and packages can be dropped off at a post office or designated collection box, and stamps can be purchased at the post office or online.
| Post Office | Okhla Industrial Area Phase I S.o |
| Division | New Delhi South |
| Region | Delhi |
| Circle | Delhi |
| Taluka | New Delhi |
| District | South Delhi |
| State | Delhi |
| Phone | 011-26810292 |
| Sub Office | Na |
| Head Office | Kalkaji H.o |
| Pincode | 110020
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okhla industrial area phase i s.o branch pincode is 110020
okhla industrial area phase i s.o branch phone number is 011-26810292
okhla industrial area phase i s.o branch Head Office is Kalkaji H.o