Block Inc Headquarters & Corporate Office

About Block, Inc.

Block, Inc. is an American technology and financial-services company formerly known as Square, Inc. The company develops a wide range of products and services focused on payments, commerce, consumer finance, music, and cryptocurrency.

Its major businesses include Square, which provides payment and business solutions, and Cash App, a financial-services platform for consumers. Block also operates other technology platforms and continues to expand its financial and digital services.

Block is a publicly traded company and maintains its principal executive offices in Oakland, California. The company continues to develop technology aimed at connecting businesses and consumers through accessible financial and commerce solutions.

Quick Information

Industry

Financial Technology

Former Name

Square, Inc.

Corporate Phone Number

415-375-3176

Customer Service Number

Varies by Block product

Corporate Office Address

1955 Broadway, Suite 600
Oakland, CA 94612
United States

Headquarters Address

1955 Broadway, Suite 600
Oakland, CA 94612
United States

Email

privacy@squareup.com
Privacy-related inquiries

Square Support Number

1-888-727-0227

Privacy Number

1-844-213-7377

Major Products

Square and Cash App

Stock Symbol

NYSE: XYZ

Website

www.block.xyz

Block Products & Services

Square

Square provides point-of-sale, payment-processing, ecommerce, banking-related, and business-management services.

Cash App

Cash App provides peer-to-peer payments and other financial features.

Merchant Services

Businesses can accept card and digital payments.

Business Software

Square provides inventory, appointment, restaurant, payroll, and commerce tools.

Banking-Related Services

Eligible customers can access financial products through affiliated banking partners and businesses.

Bitcoin and Crypto

Block has significant involvement in Bitcoin-related technology and financial products.

Developer Tools

The company offers APIs and developer services for businesses.

Block Corporate Phone Numbers

Corporate Headquarters

415-375-3176

Current 2026 SEC records identify this telephone number with Block’s Oakland office. (sec.gov)

Square Support

1-888-727-0227

Block publishes this number for Square assistance in applicable jurisdictions. (block.xyz)

Privacy Requests

1-844-213-7377

How to Reach a Real Person at Block

Because Block operates several different products, use the support system for the specific service involved.

Square customers should use the Square Support Center.

Cash App customers should use Cash App Support from within the app or official website.

For privacy inquiries:

1-844-213-7377

or:

privacy@squareup.com (block.xyz)

Block Headquarters & Corporate Office Address

Block Corporate Headquarters

Block, Inc.
1955 Broadway
Suite 600
Oakland, CA 94612
United States

Current 2026 SEC filings continue to use this address. (sec.gov)

How to File a Complaint Against Block

Step 1: Identify the Block Product

Determine whether the complaint involves Square, Cash App, or another service.

Step 2: Use Product Support

Contact the appropriate authenticated support system.

Step 3: Request Further Review

Ask for escalation if the first response does not resolve the problem.

Step 4: Keep Transaction Records

Retain receipts, transaction IDs, screenshots, and case numbers.

Step 5: Contact Corporate Headquarters

Block, Inc.
1955 Broadway, Suite 600
Oakland, CA 94612

Step 6: Privacy Complaints

Contact:

privacy@squareup.com

Step 7: Financial Regulatory Complaint

Financial-service complaints may also fall under state financial regulators or the Consumer Financial Protection Bureau.