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

HAZARD prefixes in area code 606

NANPA records 15 assigned NXX blocks to rate center HAZARD in area code 606, 2.3% 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. 5 holders hold those blocks, the largest being WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON (5), EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS (4), NEW CINGULAR WIRELESS PCS, LLC - GA (2). The earliest assignment on record here is 2001-04-03 and the most recent 2012-01-30. 6 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

15 assigned blocks – 2.3% of 606
5 holders of record
6 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
606-216 EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS – no yes
606-223 EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS 2001-04-03 no yes
606-233 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2002-06-26 no yes
606-373 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON 2012-01-30 yes yes
606-435 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON – no yes
606-436 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON – no yes
606-438 EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS – no yes
606-439 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON – no yes
606-487 Windstream WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON – no yes
606-551 Onvoy ONVOY, LLC - KY 2007-04-17 yes yes
606-629 Lumen LEVEL 3 COMMUNICATIONS, LLC - KY – yes yes
606-716 Onvoy ONVOY, LLC - KY – yes yes
606-853 EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS – no yes
606-854 AT&T NEW CINGULAR WIRELESS PCS, LLC - GA 2002-05-06 yes yes
606-910 Lumen LEVEL 3 COMMUNICATIONS, LLC - KY 2002-08-21 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
WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON Windstream 5 33.3%
EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS – 4 26.7%
NEW CINGULAR WIRELESS PCS, LLC - GA AT&T 2 13.3%
ONVOY, LLC - KY Onvoy 2 13.3%
LEVEL 3 COMMUNICATIONS, LLC - KY Lumen 2 13.3%

Frequently asked

Which prefixes belong to HAZARD in area code 606?

15 blocks: 216, 223, 233, 373, 435, 436, 438, 439, 487, 551, 629, 716 and 3 more, all listed in the table above.

Which carriers have numbers in HAZARD?

WINDSTREAM KENTUCKY EAST, INC. - LEXINGTON (5 blocks), EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS (4 blocks), NEW CINGULAR WIRELESS PCS, LLC - GA (2 blocks), ONVOY, LLC - KY (2 blocks), LEVEL 3 COMMUNICATIONS, LLC - KY (2 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is HAZARD 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