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

NTAH THCY prefixes in area code 530

NANPA records 8 assigned NXX blocks to rate center NTAH THCY in area code 530, 1.0% of the 782 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 PACIFIC BELL (3), NEW CINGULAR WIRELESS PCS, LLC (1), METROPCS, INC. (1). The earliest assignment on record here is 2001-05-18 and the most recent 2016-06-27. 7 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 code 837 – overlay codes cover the same geography, so a rate center is served by all of them.

8 assigned blocks – 1% of 530
6 holders of record
7 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
530-412 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
530-448 T-Mobile METROPCS, INC. 2001-05-18 yes yes
530-452 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA – yes yes
530-580 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA – yes yes
530-581 AT&T PACIFIC BELL – yes yes
530-583 AT&T PACIFIC BELL – no yes
530-584 AT&T PACIFIC BELL – yes yes
530-807 Charter CHARTER IP ENABLED SERVICES, LLC 2016-06-27 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
PACIFIC BELL AT&T 3 37.5%
NEW CINGULAR WIRELESS PCS, LLC AT&T 1 12.5%
METROPCS, INC. T-Mobile 1 12.5%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 1 12.5%
TELEPORT COMMUNICATIONS AMERICA, LLC - CA AT&T 1 12.5%
CHARTER IP ENABLED SERVICES, LLC Charter 1 12.5%

Frequently asked

Which prefixes belong to NTAH THCY in area code 530?

8 blocks: 412, 448, 452, 580, 581, 583, 584, 807. The table above gives the holder of each.

Which carriers have numbers in NTAH THCY?

PACIFIC BELL (3 blocks), NEW CINGULAR WIRELESS PCS, LLC (1 block), METROPCS, INC. (1 block), LEVEL 3 COMMUNICATIONS, LLC - CA (1 block), TELEPORT COMMUNICATIONS AMERICA, LLC - CA (1 block), CHARTER IP ENABLED SERVICES, 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 NTAH THCY 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 530

All 782 prefixes in 530