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

NMYRTLEBCH prefixes in area code 843

NANPA records 10 assigned NXX blocks to rate center NMYRTLEBCH in area code 843, 1.3% of the 783 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 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC (5), PAETEC ITEL, LLC (3), LEVEL 3 COMMUNICATIONS, LLC - SC (1). The earliest assignment on record here is 2002-06-13 and the most recent 2002-06-13. 6 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 854 – overlay codes cover the same geography, so a rate center is served by all of them.

10 assigned blocks – 1.3% of 843
4 holders of record
6 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
843-249 Frontier FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC – no yes
843-272 Frontier FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC – no yes
843-273 Windstream PAETEC ITEL, LLC – yes yes
843-280 Frontier FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC – no yes
843-281 Frontier FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC – yes yes
843-361 Frontier FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC – yes yes
843-417 Windstream PAETEC ITEL, LLC – yes yes
843-427 Windstream PAETEC ITEL, LLC – yes yes
843-491 Lumen LEVEL 3 COMMUNICATIONS, LLC - SC 2002-06-13 yes yes
843-663 HORRY TELEPHONE COOPERATIVE, INC. - SC – 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.

Who holds the blocks

HolderBrandBlocksShare here
FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC Frontier 5 50%
PAETEC ITEL, LLC Windstream 3 30%
LEVEL 3 COMMUNICATIONS, LLC - SC Lumen 1 10%
HORRY TELEPHONE COOPERATIVE, INC. - SC – 1 10%

Frequently asked

Which prefixes belong to NMYRTLEBCH in area code 843?

10 blocks: 249, 272, 273, 280, 281, 361, 417, 427, 491, 663. The table above gives the holder of each.

Which carriers have numbers in NMYRTLEBCH?

FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC (5 blocks), PAETEC ITEL, LLC (3 blocks), LEVEL 3 COMMUNICATIONS, LLC - SC (1 block), HORRY TELEPHONE COOPERATIVE, INC. - SC (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is NMYRTLEBCH 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 843

All 783 prefixes in 843