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

TOLLESBORO prefixes in area code 606

NANPA records 3 assigned NXX blocks to rate center TOLLESBORO in area code 606, 0.5% of the 639 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. 1 holder holds those blocks, the largest being WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON (3). The earliest assignment on record here is 2012-01-30 and the most recent 2012-01-30. 1 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

3 assigned blocks – 0.5% of 606
1 holders of record
1 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
606-715 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON 2012-01-30 yes yes
606-798 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON – no yes
606-799 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON – no 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.

Frequently asked

Which prefixes belong to TOLLESBORO in area code 606?

3 blocks: 715, 798, 799. The table above gives the holder of each.

Which carriers have numbers in TOLLESBORO?

WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is TOLLESBORO 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 606

All 639 prefixes in 606