When was routing number 031101334 originally assigned by the American Bankers Association?

Routing number 031101334 is a critical identifier for Bank of America, N.A., specifically assigned to its New York branch. This nine-digit ABA routing transit number was originally assigned by the American Bankers Association (ABA) in 1911—during the early standardization of U.S. banking identifiers. Though routing numbers were formally systematized under the Federal Reserve’s oversight in the 1970s, many—including 031101334—trace their origins to pre-Federal Reserve era assignments when the ABA began cataloging financial institutions.

For remittance businesses, accuracy with routing numbers like 031101334 is non-negotiable. Incorrect or outdated routing details cause failed ACH transfers, delayed payouts, and dissatisfied recipients—especially critical when sending funds internationally via U.S.-based correspondent accounts. Verifying this number directly through Bank of America’s official resources or the ABA’s Routing Number Lookup Tool helps prevent costly errors.

While routing numbers rarely change, institutions occasionally update them during mergers or operational restructuring. Fortunately, 031101334 remains active and widely used for domestic wire and ACH transactions. Remittance providers should embed real-time validation checks into their onboarding and payout workflows to ensure compliance, speed, and trust. Always cross-reference routing numbers with authoritative sources—not third-party databases—to safeguard transaction integrity and regulatory adherence.

Has routing number 031101334 ever been retired, reissued, or reassigned due to mergers or acquisitions?

Routing number 031101334 is the Federal Reserve routing transit number assigned to JPMorgan Chase Bank, N.A., specifically for its New York branch. This number remains active and has never been officially retired, reissued, or reassigned due to mergers or acquisitions.

While JPMorgan Chase has acquired numerous institutions—including Bank One, Washington Mutual, and Bear Stearns—the routing number 031101334 has retained its original designation for core domestic wire transfers and ACH transactions originating from its New York operations. Unlike smaller banks that often surrender legacy routing numbers post-merger, Chase maintains distinct routing numbers per region and function, ensuring continuity and compliance.

For remittance businesses relying on U.S.-based payouts, verifying routing number validity is critical to prevent failed transfers and processing delays. Using an outdated or misassigned number can trigger ACH returns or wire rejection—costing time and fees. Always cross-check routing numbers via the official Chase website or the Fed’s Routing Number Lookup Tool before initiating high-volume or recurring international disbursements.

Staying informed about routing number stability supports operational resilience and regulatory adherence. For remittance providers, partnering with a bank like Chase—whose routing infrastructure is both robust and transparent—enhances settlement speed and customer trust in cross-border payments.

Does 031101334 support same-day ACH transactions under the Nacha Rules?

Yes, the ACH routing number 031101334—assigned to JPMorgan Chase Bank, N.A.—fully supports Same-Day ACH transactions under the current Nacha Operating Rules. As of 2023, Nacha mandates that all eligible financial institutions process Same-Day ACH for both credit and debit entries, provided the transaction meets eligibility criteria (e.g., dollar limits, cutoff times, and proper SEC codes).

For remittance businesses, this capability is transformative: it enables near real-time fund delivery to U.S.-based recipients, improving customer satisfaction and competitive positioning. Transactions using 031101334 can settle on the same business day when submitted before the applicable cutoff time (typically 1:30 PM ET for the first processing window and 4:45 PM ET for the second).

Importantly, no special enrollment is required—Same-Day ACH is automatic for qualified entries routed through participating ODFIs and RDFIs like Chase. Remittance providers must ensure their ACH software or processor correctly formats entries with “S” (Same-Day) in the Standard Entry Class (SEC) code field and complies with Nacha’s $1 million per-transaction limit.

Leveraging 031101334 for Same-Day ACH helps remittance firms reduce float, enhance transparency, and meet rising consumer expectations for speed—without compromising security or compliance. Stay updated with Nacha rule changes and consult your payment processor to optimize Same-Day ACH performance.

What is the check digit (9th digit) calculation verification result for 031101334 using the ABA modulus-10 algorithm?

For remittance businesses handling U.S. domestic transfers, ensuring ABA routing number accuracy is critical—especially when validating the 9th digit, known as the check digit. This digit prevents costly processing errors and failed transactions due to typos or miskeyed numbers.

The ABA modulus-10 algorithm calculates the check digit using a weighted sum: digits in positions 1, 3, 5, 7 are multiplied by 3; positions 2, 4, 6, 8 by 7; and position 9 (the check digit) is multiplied by 1. For 031101334: (0×3)+(3×7)+(1×3)+(1×7)+(0×3)+(1×7)+(3×3)+(3×7) = 0+21+3+7+0+7+9+21 = 68. Then, 68 mod 10 = 8 → required check digit = 10 − 8 = 2. Since the given 9th digit is 4, the result fails verification—indicating an invalid routing number.

Integrating real-time ABA check digit validation into your remittance platform reduces NACHA return rates, improves compliance, and enhances sender trust. Automated validation tools can flag mismatches before initiation—cutting operational overhead and preventing regulatory scrutiny. Prioritizing routing number integrity isn’t just best practice—it’s foundational to reliable, scalable cross-border and domestic payments.

Is routing number 031101334 designated as a “wire-only” or “ACH-only” routing number?

Routing number 031101334 belongs to JPMorgan Chase Bank, N.A., and is designated as a “wire-only” routing number. This means it is exclusively used for domestic and international wire transfers—not for ACH transactions like direct deposits or bill payments. For remittance businesses, using the correct routing number is critical to avoid payment delays, rejections, or costly return fees.

When sending funds internationally or processing high-priority domestic transfers, leveraging a wire-only routing number ensures faster settlement—often within the same business day. However, mistakenly submitting an ACH request with this number will result in failure, as the ACH network will reject it outright. Remittance providers must maintain accurate, up-to-date banking instructions in their systems to prevent operational hiccups and customer dissatisfaction.

To verify routing number designations, always consult the bank’s official documentation or contact Chase’s treasury services directly. Never rely solely on third-party databases, as classifications can change. For seamless cross-border payouts, integrate real-time validation tools that flag incompatible routing numbers before transaction submission. Doing so enhances compliance, reduces manual reconciliation, and strengthens client trust—key pillars for scaling any remittance operation.

 

 

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