NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

ROSHARON prefixes in area code 281

NANPA records 4 assigned NXX blocks to rate center ROSHARON in area code 281, 0.5% of the 786 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 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (2), ONVOY, LLC - TX (1), GRANDE COMMUNICATIONS NETWORKS, INC. - TX (1). The earliest assignment on record here is 2020-07-06 and the most recent 2020-07-06. 4 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 346, 832 – overlay codes cover the same geography, so a rate center is served by all of them.

4 assigned blocks – 0.5% of 281
3 holders of record
4 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
281-369 Frontier FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS – yes yes
281-595 Frontier FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS – yes yes
281-626 Onvoy ONVOY, LLC - TX 2020-07-06 yes yes
281-767 GRANDE COMMUNICATIONS NETWORKS, INC. - TX – 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

HolderBrandBlocksShare here
FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS Frontier 2 50%
ONVOY, LLC - TX Onvoy 1 25%
GRANDE COMMUNICATIONS NETWORKS, INC. - TX – 1 25%

Frequently asked

Which prefixes belong to ROSHARON in area code 281?

4 blocks: 369, 595, 626, 767. The table above gives the holder of each.

Which carriers have numbers in ROSHARON?

FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (2 blocks), ONVOY, LLC - TX (1 block), GRANDE COMMUNICATIONS NETWORKS, INC. - TX (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is ROSHARON 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.

Other rate centers in 281

All 786 prefixes in 281