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

LKISABELLA prefixes in area code 760

NANPA records 5 assigned NXX blocks to rate center LKISABELLA in area code 760, 0.6% of the 785 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. 3 holders hold those blocks, the largest being NEW CINGULAR WIRELESS PCS, LLC (2), FRONTIER CALIFORNIA INC. (2), T-MOBILE USA, INC. (1). The earliest assignment on record here is 2001-05-09 and the most recent 2002-08-01. 4 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 442 – overlay codes cover the same geography, so a rate center is served by all of them.

5 assigned blocks – 0.6% of 760
3 holders of record
4 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
760-223 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
760-379 Frontier FRONTIER CALIFORNIA INC. – no yes
760-417 AT&T NEW CINGULAR WIRELESS PCS, LLC 2001-05-09 yes yes
760-549 Frontier FRONTIER CALIFORNIA INC. – yes yes
760-812 T-Mobile T-MOBILE USA, INC. 2002-08-01 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
NEW CINGULAR WIRELESS PCS, LLC AT&T 2 40%
FRONTIER CALIFORNIA INC. Frontier 2 40%
T-MOBILE USA, INC. T-Mobile 1 20%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to LKISABELLA in area code 760?

5 blocks: 223, 379, 417, 549, 812. The table above gives the holder of each.

Which carriers have numbers in LKISABELLA?

NEW CINGULAR WIRELESS PCS, LLC (2 blocks), FRONTIER CALIFORNIA INC. (2 blocks), T-MOBILE USA, INC. (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is LKISABELLA 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 760

All 785 prefixes in 760