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| Raw Number | 435856 |
| Basic Format | 435-856 |
| NPA (Area Code) | 435 |
| NXX | 856 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 435-856-0XXX | 3231 | LEVEL 3 COMMUNICATIONS, LLC - UT | NEPHI | RT | NEPHI | UT | WE | |||
| 435-856-1XXX | 5727 | FIRSTDIGITAL TELECOM, LLC - UT | NEPHI | AS | 01/23/2009 | NEPHI | UT | WE | 02/04/2009 | |
| 435-856-2XXX | 318J | COMCAST IP PHONE, LLC | NEPHI | AS | 06/02/2023 | NEPHI | UT | WE | 07/02/2023 | |
| 435-856-3XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | NEPHI | AS | 02/08/2012 | NEPHI | UT | WE | 05/01/2012 | |
| 435-856-4XXX | 791D | CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV | NEPHI | AS | 04/22/2022 | NEPHI | UT | WE | 05/10/2022 | |
| 435-856-5XXX | 791D | CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV | NEPHI | AS | 04/22/2022 | NEPHI | UT | WE | 05/10/2022 | |
| 435-856-6XXX | 7530 | TELEPORT COMMUNICATIONS AMERICA, LLC - UT | NEPHI | AS | 10/13/2020 | NEPHI | UT | WE | 11/09/2020 | |
| 435-856-7XXX | 508J | CENTURYLINK COMMUNICATIONS, LLC | NEPHI | AS | 03/01/2017 | NEPHI | UT | WE | 04/05/2017 | |
| 435-856-8XXX | 3231 | LEVEL 3 COMMUNICATIONS, LLC - UT | NEPHI | AV | NEPHI | UT | WE | 11/27/2022 | ||
| 435-856-9XXX | 526H | PEERLESS NETWORK OF UTAH, LLC - UT | NEPHI | AS | 08/20/2018 | NEPHI | UT | WE | 09/18/2018 | |
| 435-856-XXXX | 3231 | LEVEL 3 COMMUNICATIONS, LLC - UT | NEPHI | AS | 10/23/2001 | NEPHI | UT |
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