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Important Announcement

Please note that the mailing addresses for direct ordering with AT&T have recently changed. Please refer to the PDF link below for details.

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AT&T's portal for |Ariba Supplier Network|ABCSupplier|Global Workplace Services (GWS, formerly CRE or GRE) Supplier Portal|iSupplier|S2C Supplier|Setting up EDI|Payment Status

Purchase Order and Invoicing Information for AT&T Suppliers

Ariba Supplier Network

The Supplier Information Portal provides step by step instructions on everything suppliers need to transact with AT&T.

AT&T Buying Central (ABC) Supplier site

The ABC Supplier site is a self-service platform powered by Oracle Cloud that provides suppliers access to transaction details, including purchase orders (POs), invoices, and payment statuses. The naming convention for ABC Supplier POs incorporates the prefix "ACP."

GWS Supplier Portal

The AT&T Global Workplace Services (GWS, formerly CRE/GRE) Supplier Portal is a front-door that provides GWS suppliers with training materials, self-paced training videos, and a way to request access to our Oracle procurement application.

iSupplier

iSupplier Portal is an Internet self-service tool which enables suppliers to have real-time access to procure-to-pay transactions such as purchase orders, invoices, and payment status.

S2C Supplier

Source To Contract (S2C) Supplier Site is a self-service platform powered by Oracle Cloud that provides the supplier with real-time access to key Sourcing/Contracting details, Financial Assessment (FA), Non-Disclosure Agreements (NDA) and RFx scenarios.

Electronic Data Interchange (EDI)

EDI provides direct access to AT&T via standard e-commerce transaction sets (ANSI X12 004010). If you are interested in obtaining AT&T Corporate Standard Specifications, please send us an email.

Contact Us DL‑EDINHGIS@att.com

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Payment Status

Payment and remittance information is available online to suppliers on the AT&T Supplier Payment Status Facility site.

Payment Status Facility

Payment Status Inquiries

If you have issues accessing the Payment Status Facility, please call OneStop at 888-722-1787 and speak "Accounts Payable".