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

HUMBLE prefixes in area code 281

NANPA records 24 assigned NXX blocks to rate center HUMBLE in area code 281, 3.1% 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. 6 holders hold those blocks, the largest being BRIGHTSPEED OF TEXAS, INC. (16), NEW CINGULAR WIRELESS PCS, LLC - IL (3), LEVEL 3 OF TELECOM OF TEXAS, LLC - TX (2). The earliest assignment on record here is 2006-08-18 and the most recent 2017-11-02. 13 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.

24 assigned blocks – 3.1% of 281
6 holders of record
13 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
281-312 Brightspeed BRIGHTSPEED OF TEXAS, INC. – yes yes
281-318 GRANDE COMMUNICATIONS NETWORKS, INC. - TX – yes yes
281-319 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-348 Brightspeed BRIGHTSPEED OF TEXAS, INC. – yes yes
281-358 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-359 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-360 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-361 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-441 Brightspeed BRIGHTSPEED OF TEXAS, INC. – yes yes
281-446 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-540 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-548 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-570 Lumen LEVEL 3 OF TELECOM OF TEXAS, LLC - TX – yes yes
281-608 T-Mobile METROPCS, INC. 2006-08-18 yes yes
281-623 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2017-11-02 yes yes
281-641 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-706 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2006-10-04 yes yes
281-713 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2007-09-05 yes yes
281-812 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-852 Brightspeed BRIGHTSPEED OF TEXAS, INC. – no yes
281-883 Lumen LEVEL 3 OF TELECOM OF TEXAS, LLC - TX – yes yes
281-913 Brightspeed BRIGHTSPEED OF TEXAS, INC. – yes yes
281-964 Brightspeed BRIGHTSPEED OF TEXAS, INC. – yes yes
281-973 Lumen LEVEL 3 COMMUNICATIONS, LLC - 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
BRIGHTSPEED OF TEXAS, INC. Brightspeed 16 66.7%
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 3 12.5%
LEVEL 3 OF TELECOM OF TEXAS, LLC - TX Lumen 2 8.3%
GRANDE COMMUNICATIONS NETWORKS, INC. - TX – 1 4.2%
METROPCS, INC. T-Mobile 1 4.2%
LEVEL 3 COMMUNICATIONS, LLC - TX Lumen 1 4.2%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to HUMBLE in area code 281?

24 blocks: 312, 318, 319, 348, 358, 359, 360, 361, 441, 446, 540, 548 and 12 more, all listed in the table above.

Which carriers have numbers in HUMBLE?

BRIGHTSPEED OF TEXAS, INC. (16 blocks), NEW CINGULAR WIRELESS PCS, LLC - IL (3 blocks), LEVEL 3 OF TELECOM OF TEXAS, LLC - TX (2 blocks), GRANDE COMMUNICATIONS NETWORKS, INC. - TX (1 block), METROPCS, INC. (1 block), LEVEL 3 COMMUNICATIONS, LLC - 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 HUMBLE 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