---
title: What is a Meter Serial Number (MSN)?
description: Find out what is a Meter Serial Number (MSN) in this Stadia Knowledge Base guide covering utility metering.
---

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September 22, 2026

# What is a Meter Serial Number (MSN)?

## The Meter Serial Number identifies the physical meter installed at the property.

The Meter Serial Number identifies the physical meter installed at the property.

Important:

- The MPAN/MPRN identifies the supply
- The MSN identifies the actual meter

If a meter is replaced:

- The MSN changes
- The MPAN or MPRN usually stays the same

The MSN is normally printed directly on the front of the meter.

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