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

CHTAMSTTHS prefixes in area code 340

NANPA records 42 assigned NXX blocks to rate center CHTAMSTTHS in area code 340, 72.4% of the 58 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. 10 holders hold those blocks, the largest being LIBERTY MOBILE USVI INC. (16), VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE (10), VITELCOM CELLULAR, INC. (7). The earliest assignment on record here is 2001-08-14 and the most recent 2023-06-09.

42 assigned blocks – 72.4% of 340
10 holders of record
0 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
340-200 Telnyx TELNYX LLC 2021-07-20 no yes
340-201 Liberty LIBERTY MOBILE USVI INC. 2008-06-06 no yes
340-203 T-Mobile T-MOBILE USA, INC. 2020-12-22 no yes
340-204 Liberty LIBERTY MOBILE USVI INC. 2023-01-09 no yes
340-205 Liberty LIBERTY MOBILE USVI INC. 2023-01-13 no yes
340-207 Liberty LIBERTY MOBILE USVI INC. 2023-01-13 no yes
340-209 Liberty LIBERTY MOBILE USVI INC. 2021-10-19 no yes
340-210 Liberty LIBERTY MOBILE USVI INC. 2023-01-13 no yes
340-212 Comcast COMCAST IP PHONE, LLC 2023-06-09 no yes
340-227 Liberty LIBERTY MOBILE USVI INC. – no yes
340-228 VITELCOM CELLULAR, INC. – no yes
340-244 Liberty LIBERTY MOBILE USVI INC. 2002-10-31 no yes
340-249 LUMEN TECHNOLGIES ST. CROIX, LLC 2018-01-09 no yes
340-344 T-Mobile T-MOBILE USA, INC. 2003-10-13 no yes
340-422 VITELCOM CELLULAR, INC. 2009-12-29 no yes
340-423 VITELCOM CELLULAR, INC. 2017-09-09 no yes
340-444 GIGSKY MOBILE, LLC 2015-04-27 no yes
340-473 Liberty LIBERTY MOBILE USVI INC. – no yes
340-474 Liberty LIBERTY MOBILE USVI INC. – no yes
340-513 Liberty LIBERTY MOBILE USVI INC. – no yes
340-514 Liberty LIBERTY MOBILE USVI INC. – no yes
340-626 Liberty LIBERTY MOBILE USVI INC. – no yes
340-642 Liberty LIBERTY MOBILE USVI INC. – no yes
340-643 Liberty LIBERTY MOBILE USVI INC. – no yes
340-677 T-Mobile METROPCS, INC. 2007-07-23 no yes
340-690 Liberty LIBERTY MOBILE USVI INC. – no yes
340-693 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-714 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-715 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-717 VITELCOM CELLULAR, INC. 2017-09-09 no yes
340-725 VITELCOM CELLULAR, INC. 2017-09-09 no yes
340-727 VITELCOM CELLULAR, INC. – no yes
340-770 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-771 VITELCOM CELLULAR, INC. – no yes
340-774 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-775 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-776 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-777 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-778 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-779 VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – no yes
340-884 WINDKEEPER COMMUNICATIONS, INC. – no yes
340-998 T-Mobile T-MOBILE USA, INC. 2001-08-14 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
LIBERTY MOBILE USVI INC. Liberty 16 38.1%
VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE – 10 23.8%
VITELCOM CELLULAR, INC. – 7 16.7%
T-MOBILE USA, INC. T-Mobile 3 7.1%
TELNYX LLC Telnyx 1 2.4%
COMCAST IP PHONE, LLC Comcast 1 2.4%
LUMEN TECHNOLGIES ST. CROIX, LLC – 1 2.4%
GIGSKY MOBILE, LLC – 1 2.4%
METROPCS, INC. T-Mobile 1 2.4%
WINDKEEPER COMMUNICATIONS, INC. – 1 2.4%

Frequently asked

Which prefixes belong to CHTAMSTTHS in area code 340?

42 blocks: 200, 201, 203, 204, 205, 207, 209, 210, 212, 227, 228, 244 and 30 more, all listed in the table above.

Which carriers have numbers in CHTAMSTTHS?

LIBERTY MOBILE USVI INC. (16 blocks), VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE (10 blocks), VITELCOM CELLULAR, INC. (7 blocks), T-MOBILE USA, INC. (3 blocks), TELNYX LLC (1 block), COMCAST IP PHONE, 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 CHTAMSTTHS 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 340

All 58 prefixes in 340