PORTISABEL prefixes in area code 956
NANPA records 8 assigned NXX blocks to rate center PORTISABEL in area code 956, 1.1% of the 735 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. 4 holders hold those blocks, the largest being SOUTHWESTERN BELL (3), STPCS JOINT VENTURE, LLC (2), ONVOY, LLC - TX (2). The earliest assignment on record here is 2002-03-25 and the most recent 2021-01-22. 8 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 |
|---|---|---|---|---|
| 956-299 | STPCS JOINT VENTURE, LLC | 2002-03-25 | yes | yes |
| 956-426 | Onvoy ONVOY, LLC - TX | 2017-04-19 | yes | yes |
| 956-433 | STPCS JOINT VENTURE, LLC | 2002-12-03 | yes | yes |
| 956-524 | T-Mobile METROPCS, INC. | 2007-05-08 | yes | yes |
| 956-697 | Onvoy ONVOY, LLC - TX | 2021-01-22 | yes | yes |
| 956-761 | AT&T SOUTHWESTERN BELL | – | yes | yes |
| 956-772 | AT&T SOUTHWESTERN BELL | – | yes | yes |
| 956-943 | 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
| Holder | Brand | Blocks | Share here |
|---|---|---|---|
| SOUTHWESTERN BELL | AT&T | 3 | 37.5% |
| STPCS JOINT VENTURE, LLC | – | 2 | 25% |
| ONVOY, LLC - TX | Onvoy | 2 | 25% |
| METROPCS, INC. | T-Mobile | 1 | 12.5% |
Frequently asked
Which prefixes belong to PORTISABEL in area code 956?
8 blocks: 299, 426, 433, 524, 697, 761, 772, 943. The table above gives the holder of each.
Which carriers have numbers in PORTISABEL?
SOUTHWESTERN BELL (3 blocks), STPCS JOINT VENTURE, LLC (2 blocks), ONVOY, LLC - TX (2 blocks), METROPCS, INC. (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is PORTISABEL 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.