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

PIRU prefixes in area code 805

NANPA records 3 assigned NXX blocks to rate center PIRU in area code 805, 0.4% of the 786 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. 2 holders hold those blocks, the largest being ONVOY, LLC - CA (2), PACIFIC BELL (1). 3 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 820 – overlay codes cover the same geography, so a rate center is served by all of them.

3 assigned blocks – 0.4% of 805
2 holders of record
3 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
805-398 Onvoy ONVOY, LLC - CA – yes yes
805-521 AT&T PACIFIC BELL – yes yes
805-855 Onvoy ONVOY, LLC - CA – 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
ONVOY, LLC - CA Onvoy 2 66.7%
PACIFIC BELL AT&T 1 33.3%

Frequently asked

Which prefixes belong to PIRU in area code 805?

3 blocks: 398, 521, 855. The table above gives the holder of each.

Which carriers have numbers in PIRU?

ONVOY, LLC - CA (2 blocks), PACIFIC BELL (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is PIRU 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 805

All 786 prefixes in 805