BARABOO prefixes in area code 608
NANPA records 12 assigned NXX blocks to rate center BARABOO in area code 608, 1.5% of the 785 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 7 holders hold those blocks, the largest being UNITED STATES CELLULAR - WI (3), BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC (2), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI (2). The earliest assignment on record here is 2001-08-03 and the most recent 2025-08-21. 10 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.
Prefixes assigned here
| Prefix | Holder of record | Assigned | Pooled | In service |
|---|---|---|---|---|
| 608-355 | Brightspeed BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC | – | no | yes |
| 608-356 | Brightspeed BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC | – | no | yes |
| 608-389 | Bandwidth BANDWIDTH.COM CLEC, LLC - WI | 2020-09-03 | yes | yes |
| 608-393 | UNITED STATES CELLULAR - WI | – | yes | yes |
| 608-402 | MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS | 2010-07-23 | yes | yes |
| 608-434 | UNITED STATES CELLULAR - WI | 2002-03-13 | yes | yes |
| 608-448 | T-Mobile T-MOBILE USA, INC. | 2001-08-03 | yes | yes |
| 608-477 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 2003-07-11 | yes | yes |
| 608-581 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 2015-11-11 | yes | yes |
| 608-809 | Onvoy ONVOY, LLC - WI | 2023-06-22 | yes | yes |
| 608-963 | UNITED STATES CELLULAR - WI | – | yes | yes |
| 608-990 | Onvoy ONVOY, LLC - WI | 2025-08-21 | yes | yes |
The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.
Who holds the blocks
| Holder | Brand | Blocks | Share here |
|---|---|---|---|
| UNITED STATES CELLULAR - WI | – | 3 | 25% |
| BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC | Brightspeed | 2 | 16.7% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | Verizon | 2 | 16.7% |
| ONVOY, LLC - WI | Onvoy | 2 | 16.7% |
| BANDWIDTH.COM CLEC, LLC - WI | Bandwidth | 1 | 8.3% |
| MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS | – | 1 | 8.3% |
| T-MOBILE USA, INC. | T-Mobile | 1 | 8.3% |
Frequently asked
Which prefixes belong to BARABOO in area code 608?
12 blocks: 355, 356, 389, 393, 402, 434, 448, 477, 581, 809, 963, 990. The table above gives the holder of each.
Which carriers have numbers in BARABOO?
UNITED STATES CELLULAR - WI (3 blocks), BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC (2 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI (2 blocks), ONVOY, LLC - WI (2 blocks), BANDWIDTH.COM CLEC, LLC - WI (1 block), MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is BARABOO a city?
It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.