B31 3 is a postcode sector within the B31 postcode district which is within the B Birmingham postcode area.
The Royal Mail delivery office for the B31 3 postal sector is the Northfield Delivery Office.
The area of the B31 3 postcode sector is 0.79 square miles which is 2.05 square kilometres or 507.05 square acres.
In the year 2017 there were 154 house sales in the B31 3 with the average house price being £148,477.
Waterways within the B31 3 postcode sector include the River Rea.
The B31 3 postcode sector is crossed by a railway.
| B | 3 | 1 | - | 3 | X | X |
| B | 3 | 1 | Space | 3 | Letter | Letter |
| The B31 3 Sector is within these Local Authorities |
| The B31 3 Sector is within these Counties |
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The B31 3 Sector is within these Water Company Areas |
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| Town | Type |
|---|---|
| Birmingham | City |
