AT&T Interstate Tariffs as of 12-29-11

Ameritech

Tariff 2

Section :2000 Title/Check Sheets

Section :2001 Application of Tariff

Section :2002 General Regulations

Section :2003 Carrier Common Line Access Service

Section :2004 End User Access Service and Presubscription

Section :2005 Ordering Options for Switched and Special Access Service

Section :2006 Switched Access Service

Section :2007 Special Access Service

Section :2008 Specialized Network Services

Section :2009 Directory Assistance Service

Section :2010 Federal Government Specialized Service or Arrangements

Section :2011 Special Facilities Routing of Access Services

Section :2012 Specialized Service or Arrangements

Section :2013 Additional Engineering, Additional Labor and Miscellaneous Services

Section :2014 Operating Territory of the Ameritech Operating Companies

Section :2015 Exceptions to Access Service Offerings

Section :2016 Ameritech Interconnection Service

Section :2017 Promotional Offerings

Section :2018 Incidental InterLATA Services

Section :2019 Managed Value Plan (MVP)

Section :2020 Internet Transport Access Service (ITAS)

Section :2021 Metropolitan Statistical Area Access Services

Section :2022 Pricing Flexibility Contract Offerings

Section :2023 Blank for future use

Section :2024 Blank for future use

Section :2025 True IP to PSTN (TIPToP) Service

Section :2026 Blank for future use

Section :2027 Blank for future use

Section :2028 AT&T Volume Discount Plan (AVDP)

Section :2SUP Supplements for Tariff 2

Section :21SU Supplement No. 340

Tariff 3

Section :3000 Title/Check Sheets

Section :3002 Application of Tariff and Regulations

Section :3003 Illinois Bell Special Construction Cases

Section :3004 Indiana Bell Special Construction Cases

Section :3005 Michigan Bell Special Construction Cases

Section :3006 Ohio Bell Special Construction Cases

Section :3007 Wisconsin Bell Special Construction Cases

Section :3SUP Supplements to Tariff 3