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

CAMARILLO prefixes in area code 820

NANPA records 12 assigned NXX blocks to rate center CAMARILLO in area code 820, 12.2% of the 98 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 NEW CINGULAR WIRELESS PCS, LLC (6), FRACTEL, LLC (3), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (1). The earliest assignment on record here is 2019-01-23 and the most recent 2026-09-23. 12 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 805 – overlay codes cover the same geography, so a rate center is served by all of them.

12 assigned blocks – 12.2% of 820
5 holders of record
12 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
820-204 AT&T NEW CINGULAR WIRELESS PCS, LLC 2021-07-01 yes yes
820-207 AT&T NEW CINGULAR WIRELESS PCS, LLC 2021-07-29 yes yes
820-210 AT&T NEW CINGULAR WIRELESS PCS, LLC 2023-05-01 yes yes
820-213 AT&T NEW CINGULAR WIRELESS PCS, LLC 2023-05-01 yes yes
820-222 FRACTEL, LLC 2019-01-23 yes yes
820-231 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2024-09-12 yes yes
820-238 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-12-30 yes yes
820-243 Onvoy ONVOY, LLC - CA 2025-10-02 yes yes
820-253 AT&T NEW CINGULAR WIRELESS PCS, LLC 2026-09-23 yes no
820-299 FRACTEL, LLC 2021-01-27 yes yes
820-426 TON80 COMMUNICATIONS, LLC 2022-02-18 yes yes
820-799 FRACTEL, LLC 2022-02-23 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 6 50%
FRACTEL, LLC – 3 25%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Verizon 1 8.3%
ONVOY, LLC - CA Onvoy 1 8.3%
TON80 COMMUNICATIONS, LLC – 1 8.3%

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 CAMARILLO in area code 820?

12 blocks: 204, 207, 210, 213, 222, 231, 238, 243, 253, 299, 426, 799. The table above gives the holder of each.

Which carriers have numbers in CAMARILLO?

NEW CINGULAR WIRELESS PCS, LLC (6 blocks), FRACTEL, LLC (3 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (1 block), ONVOY, LLC - CA (1 block), TON80 COMMUNICATIONS, 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 CAMARILLO 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 820

All 98 prefixes in 820