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

SABINEPASS prefixes in area code 409

NANPA records 4 assigned NXX blocks to rate center SABINEPASS in area code 409, 0.9% of the 434 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 SOUTHWESTERN BELL (2), LEVEL 3 COMMUNICATIONS, LLC - TX (1), TELNYX LLC (1). The earliest assignment on record here is 2004-04-29 and the most recent 2021-05-07. 4 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

4 assigned blocks – 0.9% of 409
3 holders of record
4 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
409-205 AT&T SOUTHWESTERN BELL 2013-06-18 yes yes
409-213 Lumen LEVEL 3 COMMUNICATIONS, LLC - TX 2004-04-29 yes yes
409-265 Telnyx TELNYX LLC 2021-05-07 yes yes
409-971 AT&T SOUTHWESTERN BELL – 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
SOUTHWESTERN BELL AT&T 2 50%
LEVEL 3 COMMUNICATIONS, LLC - TX Lumen 1 25%
TELNYX LLC Telnyx 1 25%

Frequently asked

Which prefixes belong to SABINEPASS in area code 409?

4 blocks: 205, 213, 265, 971. The table above gives the holder of each.

Which carriers have numbers in SABINEPASS?

SOUTHWESTERN BELL (2 blocks), LEVEL 3 COMMUNICATIONS, LLC - TX (1 block), TELNYX LLC (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is SABINEPASS 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 409

All 434 prefixes in 409