Preface 1St Revised Sheet a SECTION 2 - Table of Contents Cancels Original Sheet A

The Ohio Bell AT&T Tariff P.U.C.O. NO. 20 Telephone Company Part 1 Section 2

PART 1 - Preface 1st Revised Sheet A SECTION 2 - Table of Contents Cancels Original Sheet A

(D) (D)

Issued: May 19, 2011 Effective: May 19, 2011 In accordance with an Order issued by the Public Utilities Commission of Ohio, dated October 27, 2010, Case No. 10-1010-TP-ORD. By Thomas C. Pelto, President, Cleveland, Ohio ATT TN OT-11-0026 The Ohio Bell AT&T Tariff P.U.C.O. NO. 20 Telephone Company Part 1 Section 2

PART 1 - Preface 7th Revised Sheet 1 SECTION 2 - Table of Contents Cancels 6th Revised Sheet 1

TABLE OF CONTENTS

PART TOPIC

1 PREFACE Section 1: Title Sheet and Symbols Section 2: Table of Contents Section 3: Alphabetical Subject Index

2 GENERAL TERMS AND CONDITIONS Section 1: Definitions and Abbreviations Section 2: Regulations Section 3: Vacant Section 4: Vacant Section 5: Construction Charges (C) Section 6: Pole Attachment and Conduit Occupancy Accommodations Section 7: Vacant Section 8: Vacant Section 9: Vacant Section 10: Vacant Section 11: BLES Pricing Flexibility

3 SERVICE CHARGES Section 1: Service Charges Section 2: Vacant

4 EXCHANGE ACCESS SERVICES Section 1: Exchange Service Areas Section 2: Exchange Lines and Usage Section 3: Vacant Section 4: Telephone Assistance Programs Section 5: Vacant Section 6: Vacant

5 VACANT Section 1: Vacant Section 2: Vacant Section 3: Vacant

6 CENTRAL OFFICE SERVICES Section 1: Vacant Section 2: Vacant Section 3: Vacant Section 4: Vacant Section 5: Vacant Section 6: Vacant Section 7: Vacant Section 8: Vacant Section 9: Other Central Office Services (3-1-1 Service)

Issued: May 27, 2011 Effective: May 27, 2011 In accordance with an Order issued by the Public Utilities Commission of Ohio, dated October 27, 2010, Case No. 10-1010-TP-ORD. By Thomas C. Pelto, President, Cleveland, Ohio ATT TN OT-11-0040 The Ohio Bell AT&T Tariff P.U.C.O. NO. 20 Telephone Company Part 1 Section 2

PART 1 - Preface 9th Revised Sheet 2 SECTION 2 - Table of Contents Cancels 8th Revised Sheet 2

TABLE OF CONTENTS

PART TOPIC

7 CENTRAL OFFICE OPTIONAL FEATURES Section 1: Vacant (C) Section 2: Advanced Custom Calling Features Section 3: Vacant (C) Section 4: Vacant (C) Section 5: Vacant (C)

8 MISCELLANEOUS SERVICES Section 1: Vacant Section 2: Vacant (C) Section 3: Emergency/Group Alerting Services Section 4: Vacant Section 5: Vacant Section 6: Community Services Section 7: Vacant Section 8: Vacant (C) Section 9: Vacant Section 10: Travel and Transportation Information Services Section 11: Abbreviated Dialing for One Call Centers

9 VACANT (C) Section 1: Vacant Section 2: Vacant Section 3: Vacant Section 4: Vacant

10 VACANT (C) Section 1: Vacant Section 2: Vacant Section 3: Vacant

11 VACANT (C) Section 1: Vacant (C) Section 2: Vacant (C) Section 3: Vacant (C) Section 4: Vacant (C)

PART 1 - Preface 6th Revised Sheet 2.1 SECTION 2 - Table of Contents Cancels 5th Revised Sheet 2.1

TABLE OF CONTENTS

PART TOPIC

12 LISTING SERVICES (T) Section 1: Listings (T) Section 2: Vacant Section 3: Vacant Section 4: Vacant

13 PUBLIC TELEPHONE SERVICES Section 1: Vacant Section 2: Independent Payphone Provider Services Section 3: Other Payphone Telephone Services

14 VACANT Section 1: Vacant Section 2: Vacant Section 3: Vacant Section 4: Vacant Section 5: Vacant Section 6: Vacant Section 7: Vacant

Issued: April 20, 2017 Effective: May 20, 2017 In accordance with an Order issued by the Public Utilities Commission of Ohio, dated October 27, 2010, Case No. 10-1010-ORD. By Adam Grzybicki, President, Cleveland, Ohio ATT TN OT-17-0003 The Ohio Bell AT&T Tariff P.U.C.O. NO. 20 Telephone Company Part 1 Section 2

PART 1 - Preface 9th Revised Sheet 3 SECTION 2 - Table of Contents Cancels 8th Revised Sheet 3

TABLE OF CONTENTS

PART TOPIC

15 VACANT (C) Section 1: Vacant Section 2: Vacant Section 3: Vacant Section 4: Vacant Section 5: Vacant

16 VACANT

17 VACANT (C) Section 1: Vacant (C) Section 2: Vacant Section 3: Vacant

18 VACANT (C) Section 1: Vacant

19 UNBUNDLED NETWORK ELEMENTS AND NUMBER PORTABILITY Section 1: Vacant Section 2: Vacant Section 3: Vacant Section 4: Vacant Section 5: Vacant Section 6: Service Provider Number Portability

PART 1 - Preface 5th Revised Sheet 4 SECTION 2 - Table of Contents Cancels 4th Revised Sheet 4

TABLE OF CONTENTS

PART TOPIC

20 GRANDFATHERED SERVICES (Grandparented) Section 1: Preface Section 2: Vacant Section 3: Vacant Section 4: Vacant (C) Section 5: Vacant Section 6: Vacant Section 7: Vacant (C) Section 8: Miscellaneous Services Section 9: Vacant Section 10: Vacant Section 11: Vacant Section 12: Vacant Section 13: Vacant Section 14: Vacant Section 15: Vacant Section 16: Vacant Section 17: Vacant Section 18: Vacant Section 19: Vacant

21 ACCESS SERVICES Section 1: General Section 2: Exceptions to FCC No. 2 Tariff