OOSTBURG prefixes in area code 920
NANPA records 4 assigned NXX blocks to rate center OOSTBURG in area code 920, 0.5% 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. 3 holders hold those blocks, the largest being LEVEL 3 COMMUNICATIONS, LLC - WI (2), T-MOBILE USA, INC. (1), FRONTIER NORTH INC. - WI (1). The earliest assignment on record here is 2001-04-18 and the most recent 2003-02-28. 4 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 |
|---|---|---|---|---|
| 920-316 | T-Mobile T-MOBILE USA, INC. | 2001-04-18 | yes | yes |
| 920-552 | Lumen LEVEL 3 COMMUNICATIONS, LLC - WI | 2002-10-31 | yes | yes |
| 920-564 | Frontier FRONTIER NORTH INC. - WI | – | yes | yes |
| 920-587 | Lumen LEVEL 3 COMMUNICATIONS, LLC - WI | 2003-02-28 | 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 |
|---|---|---|---|
| LEVEL 3 COMMUNICATIONS, LLC - WI | Lumen | 2 | 50% |
| T-MOBILE USA, INC. | T-Mobile | 1 | 25% |
| FRONTIER NORTH INC. - WI | Frontier | 1 | 25% |
Frequently asked
Which prefixes belong to OOSTBURG in area code 920?
4 blocks: 316, 552, 564, 587. The table above gives the holder of each.
Which carriers have numbers in OOSTBURG?
LEVEL 3 COMMUNICATIONS, LLC - WI (2 blocks), T-MOBILE USA, INC. (1 block), FRONTIER NORTH INC. - WI (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is OOSTBURG 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.