National Bank of Arizona Routing Number: Arizona Banking Guide

What is the National Bank of Arizona routing number?

National Bank of Arizona uses routing number 122101191 for all ACH transactions and electronic transfers. National Bank of Arizona is a subsidiary of Zions Bancorporation, one of the premier financial services companies in the western United States, providing community banking services across Arizona.

As part of the Zions Bancorporation family, National Bank of Arizona operates under local branding and leadership while benefiting from the scale and resources of its parent company. The bank serves commercial, small business, and retail customers throughout Arizona with a full suite of banking products.

How to find your National Bank of Arizona routing number

The routing number 122101191 appears on the bottom-left corner of your National Bank of Arizona checks. It is also available through the bank's online banking platform and mobile app under your account details section.

National Bank of Arizona branch locations across the state can confirm your routing number in person. Customer service representatives are also available by phone to verify your routing information and help with transfer setups.

National Bank of Arizona direct deposit and ACH

Set up direct deposit by providing your employer with National Bank of Arizona routing number 122101191 and your account number. The bank processes payroll and government deposits on standard ACH timelines, making funds available on your scheduled pay date.

National Bank of Arizona supports comprehensive ACH services for personal and business accounts, including bill payments, payroll processing, vendor payments, and external account transfers through their digital banking channels.

National Bank of Arizona wire transfers

National Bank of Arizona processes domestic wire transfers using routing number 122101191. Wire transfers can be initiated at branch locations, through online banking for qualified business customers, or by contacting the wire transfer department. Same-day processing is available for timely requests.

International wire transfers are available through National Bank of Arizona via Zions Bancorporation's correspondent banking network. Contact the bank for current international wire fees, exchange rates, and processing requirements.

Business banking with Slash

National Bank of Arizona provides established commercial banking across the state. For businesses looking for a modern, digital-first banking experience, Slash offers instant ACH and wire transfers, unlimited virtual cards, automated expense management, and real-time cash flow dashboards.

Slash delivers multi-entity support, granular team spending controls, native accounting integrations, and up to 2% cashback on card spend — giving Arizona businesses the tools to scale efficiently without traditional banking constraints.