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

BLACK MT prefixes in area code 828

NANPA records 7 assigned NXX blocks to rate center BLACK MT in area code 828, 1.0% of the 724 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. 5 holders hold those blocks, the largest being PAETEC ITEL, LLC (2), BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (2), EON TELECOM, INC. (1). The earliest assignment on record here is 2018-05-09 and the most recent 2024-10-24. 5 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

7 assigned blocks – 1% of 828
5 holders of record
5 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
828-300 EON TELECOM, INC. 2024-10-24 yes yes
828-357 Windstream PAETEC ITEL, LLC – yes yes
828-419 Windstream PAETEC ITEL, LLC – yes yes
828-596 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - NC 2022-01-20 yes yes
828-664 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
828-669 AT&T BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL – no yes
828-900 Onvoy ONVOY, LLC - NC 2018-05-09 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
PAETEC ITEL, LLC Windstream 2 28.6%
BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL AT&T 2 28.6%
EON TELECOM, INC. – 1 14.3%
TELEPORT COMMUNICATIONS AMERICA, LLC - NC AT&T 1 14.3%
ONVOY, LLC - NC Onvoy 1 14.3%

Frequently asked

Which prefixes belong to BLACK MT in area code 828?

7 blocks: 300, 357, 419, 596, 664, 669, 900. The table above gives the holder of each.

Which carriers have numbers in BLACK MT?

PAETEC ITEL, LLC (2 blocks), BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (2 blocks), EON TELECOM, INC. (1 block), TELEPORT COMMUNICATIONS AMERICA, LLC - NC (1 block), ONVOY, LLC - NC (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is BLACK MT 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 828

All 724 prefixes in 828