Bank routing number ยท Warren, Pennsylvania
Northwest Bank Routing Number (ABA): 243374218
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The Northwest Bank routing number is 243374218. It is the primary ABA routing transit number on the bank's FFIEC National Information Center record, refreshed here on October 27, 2026.
Northwest Bank at a glance
Its CET1 capital ratio was 12.79% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $17.21B
- CET1 ratio, Q2 2026
- 12.79%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Domestic offices
- 163 FDIC institution directory, current count
- Latest call report
- Q2 2026, FFIEC 041
- Established
- 1896
Full financial profile · Is Northwest Bank safe? · Northwest Bank call report · Branch locations
Northwest Bank routing numbers on file
| Routing number | Type | Status | Source |
|---|---|---|---|
| 243374218 | Primary ABA | Active | FFIEC NIC |
Record refreshed here on October 27, 2026. NIC holds one primary number per bank; Northwest Bank publishes any other numbers it uses itself.
What the digits mean
The first two digits, 24, place this number in the Federal Reserve Bank of Cleveland's district (District 4): prefixes 21 to 32 are the district numbers assigned to thrift institutions. Digits five through eight, 7421, identify the institution within that district. The last digit, 8, is a check digit, and the number passes the standard check: weight the nine digits 3, 7, 1, 3, 7, 1, 3, 7, 1 and the sum is a multiple of 10.
Before you send money to Northwest Bank
A routing number tells the payment network which financial institution holds an account. You give it with an account number for ACH transfers through the automated clearing house, such as direct deposit, bill pay and transfers from a checking account, which usually settle in one to two business days. An international wire to a US account normally needs the bank's SWIFT code as well.
Match this number against the one on your Northwest Bank checks or in its online banking. Ask the bank for wire instructions (www.northwest.com). Our record does not show whether this number receives wires. The Federal Reserve's E-Payments Routing Directory shows it: its Fedwire participant search lists the numbers that can receive Fedwire transfers, and its FedACH search lists those that receive ACH payments. How to confirm any routing number.
About Northwest Bank
Northwest Bank is headquartered in Warren, Pennsylvania and was established in 1896. It is in the WARREN, PA metro area. It reported $17.21B in total assets and $14.39B in deposits for Q2 2026, the 6th largest of the 109 banks headquartered in Pennsylvania. It reports 163 domestic offices. Its deposits have been FDIC insured since 1989. Its primary federal regulator is the FDIC. 2 other banks and credit unions headquartered in Warren have a routing number listed here.
What the digits in 243374218 mean
The first four digits, 2433, are the Federal Reserve routing symbol. The prefix 24 places the number in the 4th Federal Reserve District (Cleveland), a range the ABA plan set aside for thrift institutions. That is also the district where the bank is headquartered. Digits five through eight, 7421, identify the institution within its Federal Reserve district. The last digit, 8, is a check digit. Weighting the digits 3, 7 and 1 in turn gives 3 x 7 + 7 x 12 + 15 = 120, a multiple of 10, so 243374218 is a well-formed routing number. A mistyped digit almost always breaks that sum.
What is the Northwest Bank routing number?
The Northwest Bank routing number is 243374218. It is the primary ABA routing transit number registered to Northwest Bank, headquartered in Warren, PA. The number comes from the FFIEC National Information Center institution record, last refreshed here on October 27, 2026.
What is the Northwest Bank wire routing number?
This page lists the primary routing number registered to Northwest Bank. The record does not say whether the bank uses the same number for wire transfers. Confirm the wire routing number with Northwest Bank before sending a wire.
Is ABA number 243374218 the routing number for Northwest Bank?
Yes. It is the primary routing number registered to Northwest Bank.
Which bank uses routing number 243374218?
It belongs to Northwest Bank, headquartered in Warren, PA. It is the bank's primary ABA routing number (FDIC certificate 28178).
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Regulator records: FDIC BankFind (cert 28178) · FFIEC NIC profile (RSSD 1002878)