323170112
COLUMBIA BANK
✓ Valid Checksum
Active
- Institution Name
- COLUMBIA BANK
- Institution Type
- Commercial Bank
- City / State
- LAKE OSWEGO, OR
Supported Transaction Types
✗ ACH Transfers
Direct deposit, bill pay, person-to-person transfers. Processed in 1–3 business days.
✓ Wire Transfers
Real-time, same-day settlement via Fedwire. Used for large or time-sensitive transfers.
✓ Check Processing
Printed on the bottom-left of checks. Used to route paper and electronic check payments.
Note: Some banks use a separate routing number for wire transfers. Always confirm wire routing numbers directly with your bank before initiating a wire transfer.
ABA Checksum Validation
Every ABA routing number includes a built-in check digit (the 9th digit) that allows banks to detect transcription errors automatically. The checksum uses a weighted formula: multiply each digit by 3, 7, 1, 3, 7, 1, 3, 7, 1 and the sum must be divisible by 10.
×3
3
9
×7
2
14
×1
3
3
×3
1
3
×7
7
49
×1
0
0
×3
1
3
×7
1
7
×1
2
2
Sum = 9 + 14 + 3 + 3 + 49 + 0 + 3 + 7 + 2 = 90
90 ÷ 10 = 9 remainder 0 → Valid routing number
Quick Reference
Other Routing Numbers for COLUMBIA BANK
Large banks often have different routing numbers by state or region.
- 221271333 NJ
- 221271948 NJ
- 122105566 OR
- 122105676 OR
- 111025453 OR
- 122106002 OR
- 122203507 OR
- 122239270 OR
- 122239982 OR
- 122243172 OR
- 122243321 OR
- 122244087 OR
- 122244566 OR
- 322285833 OR
- 121109518 OR
- 121136785 OR
- 121138741 OR
- 121139287 OR
- 121140276 OR
- 121140823 OR