How to Find IESCO Reference Number — Where is it on Your Bill?
Quick Answer: The IESCO reference number is a 14-digit number on the top-right of your bill labeled "Ref. No." — above the barcode. It contains only digits, no letters.
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Where Exactly is the IESCO Reference Number?
On every IESCO electricity bill, look at the top section of the page. On the right side, you will find a bold number labeled "Ref. No." or "Reference No." — this is your 14-digit reference number. It is always printed directly above or next to the barcode on the bill.
// IESCO Bill — Top Right Section
┌─────────────────────────────────┐
│ IESCO Electricity Bill │
│ Consumer: Muhammad Ali │
│ ┌──────────────────────────┐ │
│ │ Ref. No: 01234567890123 │ │ ← Here!
│ │ Customer ID: 1234567890 │ │
│ └──────────────────────────┘ │
│ [████████ BARCODE ████████] │
└─────────────────────────────────┘
What Does the IESCO Reference Number Look Like?
- Always exactly 14 digits — never more, never less
- Only numbers — no letters (A, B, C) or dashes
- Example:
01234567890123 - Printed in bold near the top of your bill
- Labeled "Ref. No." or "Reference No."
- Stays the same every month (unless feeder reassignment)
Can't Find Your IESCO Reference Number?
Check an old bill
Your reference number never changes. Any previous IESCO bill will have the same reference number.
Use your Customer ID instead
The 10-digit Customer ID also works on our IESCO bill checker. Click the 'Customer ID' tab.
Call IESCO helpline 118
Provide your name, address, and CNIC. The helpline can give you your reference number immediately.
Check JazzCash/EasyPaisa payment history
If you've paid your IESCO bill online before, your reference number is saved in the payment history.
Visit your nearest IESCO office
Bring your CNIC for identity verification and they will provide your reference number.
Found Your IESCO Reference Number?
Check your IESCO bill right now — free, instant, no login required.
Check IESCO Bill Now →Frequently Asked Questions
Where is the reference number on IESCO bill?
What is the IESCO reference number format?
How to check IESCO bill without reference number?
Is IESCO reference number same every month?
After finding your IESCO reference number, check your IESCO bill on PakistanBill.online — Pakistan's only platform covering all 19 providers. Also check: LESCO | PESCO | SNGPL gas | WASA Rawalpindi water. See our Islamabad utility bills guide.