- Waialua Central Office Copper Retirement Impacted by Kona Low Storms - 4/13/26
- Waialua Central Office Switch Decommission - 4/13/26
- Copper Retirement Hawaii Island - 3/25/26
- Copper Retirement Oahu - 3/25/26
- Copper Retirement Maui - 1/15/26
- Copper Retirement Kakaako Central Office - 1/12/26
- Copper Retirement Molokai - 1/6/26
- Manoa Central Office Legacy Switch Collapse - 12/15/25
- Napili Central Office Legacy Switch Collapse - 12/15/25
- Ewa Central Office Legacy Switch Collapse - 12/15/25
- Barber’s Point Central Office Legacy Switch Collapse - 12/15/25
- Copper Retirement for 841 Bishop Street - 8/15/25
- Copper Retirement Manoa Central Office - 5/27/25
- Haiku Central Office Legacy Switch Collapse - 5/23/25
- Honaunau Central Office Legacy Switch Collapse - 5/23/25
- Paia Central Office Legacy Switch Collapse - 5/23/25
- Puunui Central Office Legacy Switch Collapse - 5/23/25
- Waialua Central Office Legacy Switch Collapse - 5/23/25
- Waianae Central Office Legacy Switch Collapse - 5/23/25
- Waipio Gentry Central Office Legacy Switch Collapse - 5/23/25
- Copper Retirement - Selected Locations Served by the Hana Central Office - 4/22/25
- Copper Retirement Lanai Central Office - 4/22/25
- Copper Retirement Kauai - 4/22/25
- Honaunau Central Office Legacy Switch Collapse - 4/16/25
- Laie Central Office Legacy Switch Collapse - 9/25/24
- Sunset Beach Legacy Switch Collapse - 9/25/24
- Aina Haina Central Office Legacy Switch Collapse - 9/10/24
- Copper Retirement Alakea Central Office - 7/10/24
- Copper Retirement Kalihi Central Office - 3/21/24
- Kula, Lahaina and Makawao Copper Retirement - 1/23/24
- Kalihi Copper Retirement - 1/10/24
- Alakea Copper Retirement - 9/22/23
- Aina Haina Copper Retirement - 2/3/23
- Kalihi Copper Retirement - 1/28/22
- Papaiko Copper Retirement – 7/20/21
- Kalaoa Copper Retirement – 1/26/21
- Mokapu Central Office Collapse - 8/14/20
- Honolulu Tandem Network Change Notice - Amended - 7/10/20
- Kaaawa Central Office Collapse - 3/4/19
- Kaaawa Copper Retirement - 3/7/19
- Honolulu Tandem Decommissioning - 12/20/18
- Discontinuance Notice - Busy Line Verification and Busy Line Interrupt Services - 7/31/18
- Honolulu GTD5 Decommissioning - 7/13/17
- Puunui GTD5 Remote Rehoming - 7/13/17
- Hawaiian Telcom Rate Changes 010119
- Recip Comp Industry Letter 070914
- PVU PIU Form 030912
- PVU PIU Notification 030912
- Notification - Forbearance
- Hawaiian Telcom Signal Routing Request Form - OPC
- Hawaiian Telcom Signal Routing Request Form - Notification
- Notification of Threshold Level Change to TVP & ETTVP
- BAN Field Entries on the ASR
- Termination of SS7 Agreement with Verisign
- Point Code Conversion Notification - 09/08/06
- UNE-P Notification Letter
- Point Code Conversion Notification - 05/12/06
- Rescheduling of Hawaiian Telcom's Point Code Conversion
- Exemption Re-Certification Letter
- Billing of IntraLATA CLEC 800 Service Charges and the CLEC SMS800 Database
- PSC Tax Resale Certificate
- G-82 – Certificate for Sales of Goods, Services, and Amusements
- G6S – Exemption From General Excise Taxes (Short Form)
- G6 – Exemption From General Excise Taxes (Long Form)
- Hawaiian Telcom S25 Exemption Certificate
- Hawaiian Telcom Certificate of Exemption From Federal Excise Taxes
- Hawaiian Telcom Federal Certificate
- G-17 Resale Certificate For Goods
- G-19 Resale Certificate Special Form
- 2025 HTI FUSF Exemption Certification Form
- 2025 HTSC FUSF Exemption Certification Form
- 2026 HTI FUSF Exemption Certification Form
- 2026 HTSC FUSF Exemption Certification Form