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

ROBERT LEE prefixes in area code 325

NANPA records 3 assigned NXX blocks to rate center ROBERT LEE in area code 325, 0.7% of the 408 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. 2 holders hold those blocks, the largest being ONVOY, LLC - TX (2), FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (1). The earliest assignment on record here is 2019-07-22 and the most recent 2023-08-22. 3 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

3 assigned blocks – 0.7% of 325
2 holders of record
3 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
325-343 Onvoy ONVOY, LLC - TX 2023-08-22 yes yes
325-420 Onvoy ONVOY, LLC - TX 2019-07-22 yes yes
325-453 Frontier FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS – 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
ONVOY, LLC - TX Onvoy 2 66.7%
FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS Frontier 1 33.3%

Frequently asked

Which prefixes belong to ROBERT LEE in area code 325?

3 blocks: 343, 420, 453. The table above gives the holder of each.

Which carriers have numbers in ROBERT LEE?

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

Is ROBERT LEE 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 325

All 408 prefixes in 325