Part - 1 Preface

Part - 2 General Terms and Conditions

Part - 3 Service Charges

Part - 4 Exchange Access Services

Part - 5 Centrex Services

Part - 6 Central Office Services

Part - 7 Central Office Optional Features

Part - 8 Miscellaneous Services

Part - 9 Message Toll Services

Part - 10 Wide Area Telecommunications Services (WATS)

Part - 11 Operator Services

Part - 12 Directory Services

Part - 13 Public Telephone Services

Part - 14 Vacant

Part - 15 Dedicated Telecommunications Services

Part - 16 Special Billing Arrangements

Part - 17 ISDN Services

Part - 18 Vacant

Part - 19 Vacant

Part - 20 Grandfathered Services

Part - 21 Vacant

Part - 22 Vacant

Part - 24 Vacant

Updates to Guidebook

Updates to Guidebook

Part - 1 Preface

Part - 2 Provisions

Part - 3 Access Services

Part - 4 Reserved for Future Use

Part - 5 Other Wholesale Services

Updates to Guidebook

Part - 1 Preface

Updates to Guidebook