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

ARROYOGRND prefixes in area code 805

NANPA records 16 assigned NXX blocks to rate center ARROYOGRND in area code 805, 2.0% 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. 7 holders hold those blocks, the largest being PACIFIC BELL (5), T-MOBILE USA, INC. (5), U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (2). The earliest assignment on record here is 2001-01-26 and the most recent 2022-05-26. 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 820 – overlay codes cover the same geography, so a rate center is served by all of them.

16 assigned blocks – 2% of 805
7 holders of record
12 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
805-202 AT&T PACIFIC BELL – yes yes
805-270 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2001-01-26 yes yes
805-473 AT&T PACIFIC BELL – no yes
805-474 AT&T PACIFIC BELL – no yes
805-481 AT&T PACIFIC BELL – no yes
805-489 AT&T PACIFIC BELL – no yes
805-519 T-Mobile T-MOBILE USA, INC. 2018-03-22 yes yes
805-574 T-Mobile T-MOBILE USA, INC. 2002-09-20 yes yes
805-668 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2014-11-17 yes yes
805-710 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
805-809 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2022-05-26 yes yes
805-825 T-Mobile T-MOBILE USA, INC. 2015-12-07 yes yes
805-840 T-Mobile T-MOBILE USA, INC. 2022-02-11 yes yes
805-904 T-Mobile T-MOBILE USA, INC. – yes yes
805-980 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA – yes yes
805-994 Lumen LEVEL 3 TELECOM OF CALIFORNIA, LP - 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
PACIFIC BELL AT&T 5 31.2%
T-MOBILE USA, INC. T-Mobile 5 31.2%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 2 12.5%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Verizon 1 6.2%
NEW CINGULAR WIRELESS PCS, LLC AT&T 1 6.2%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 1 6.2%
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA Lumen 1 6.2%

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 ARROYOGRND in area code 805?

16 blocks: 202, 270, 473, 474, 481, 489, 519, 574, 668, 710, 809, 825 and 4 more, all listed in the table above.

Which carriers have numbers in ARROYOGRND?

PACIFIC BELL (5 blocks), T-MOBILE USA, INC. (5 blocks), U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS (2 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (1 block), NEW CINGULAR WIRELESS PCS, LLC (1 block), LEVEL 3 COMMUNICATIONS, LLC - CA (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is ARROYOGRND 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