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

MORENO prefixes in area code 951

NANPA records 52 assigned NXX blocks to rate center MORENO in area code 951, 7.5% of the 696 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. 14 holders hold those blocks, the largest being FRONTIER CALIFORNIA INC. (12), T-MOBILE USA, INC. (10), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (8). The earliest assignment on record here is 2004-08-09 and the most recent 2025-12-17. 44 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

52 assigned blocks – 7.5% of 951
14 holders of record
44 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
951-208 Charter TWC IP ENABLED SERVICES, LLC 2006-12-15 yes yes
951-209 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-04-22 yes yes
951-214 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2007-01-19 yes yes
951-221 Bandwidth BANDWIDTH.COM CLEC, LLC - CA 2011-04-12 yes yes
951-242 Frontier FRONTIER CALIFORNIA INC. – no yes
951-243 Frontier FRONTIER CALIFORNIA INC. – yes yes
951-247 Frontier FRONTIER CALIFORNIA INC. – no yes
951-251 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2008-08-05 yes yes
951-269 T-Mobile METROPCS NETWORKS, LLC 2009-07-06 yes yes
951-337 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2011-08-24 yes yes
951-363 Lumen CENTURYLINK COMMUNICATIONS, LLC 2013-02-04 yes yes
951-379 Charter TWC IP ENABLED SERVICES, LLC 2013-06-12 yes yes
951-413 Frontier FRONTIER CALIFORNIA INC. – yes yes
951-419 Charter TWC IP ENABLED SERVICES, LLC 2017-08-07 yes yes
951-421 T-Mobile T-MOBILE USA, INC. 2015-09-11 yes yes
951-455 AT&T NEW CINGULAR WIRELESS PCS, LLC 2015-09-08 yes yes
951-472 AT&T NEW CINGULAR WIRELESS PCS, LLC 2014-10-20 yes yes
951-478 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2016-07-19 yes yes
951-485 Frontier FRONTIER CALIFORNIA INC. – no yes
951-486 Frontier FRONTIER CALIFORNIA INC. – yes yes
951-488 Frontier FRONTIER CALIFORNIA INC. – yes yes
951-489 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2005-02-28 yes yes
951-497 T-Mobile T-MOBILE USA, INC. 2016-10-10 yes yes
951-518 T-Mobile T-MOBILE USA, INC. 2018-06-12 yes yes
951-563 Charter TWC IP ENABLED SERVICES, LLC 2015-04-06 yes yes
951-567 Lumen LEVEL 3 TELECOM OF CALIFORNIA, LP - CA – yes yes
951-569 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2021-01-18 yes yes
951-571 AT&T PACIFIC BELL (COMPETITIVE) – yes yes
951-594 T-Mobile T-MOBILE USA, INC. 2021-11-10 yes yes
951-596 Bandwidth BANDWIDTH.COM CLEC, LLC - CA 2022-07-26 yes yes
951-601 Frontier FRONTIER CALIFORNIA INC. – no yes
951-616 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2004-08-09 yes yes
951-630 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2023-03-31 yes yes
951-647 Onvoy ONVOY, LLC - CA 2023-08-16 yes yes
951-653 Frontier FRONTIER CALIFORNIA INC. – no yes
951-655 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA – yes yes
951-656 Frontier FRONTIER CALIFORNIA INC. – no yes
951-697 Frontier FRONTIER CALIFORNIA INC. – no yes
951-705 T-Mobile T-MOBILE USA, INC. 2023-12-04 yes yes
951-713 AT&T NEW CINGULAR WIRELESS PCS, LLC 2023-12-05 yes yes
951-753 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-11-04 yes yes
951-802 T-Mobile T-MOBILE USA, INC. 2025-09-12 yes yes
951-806 Onvoy ONVOY, LLC - CA 2025-10-16 yes yes
951-807 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2006-07-25 yes yes
951-810 T-Mobile T-MOBILE USA, INC. 2025-12-17 yes yes
951-842 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2010-02-09 yes yes
951-867 T-Mobile T-MOBILE USA, INC. 2005-07-20 yes yes
951-902 T-Mobile T-MOBILE USA, INC. 2005-12-12 yes yes
951-924 Frontier FRONTIER CALIFORNIA INC. – no yes
951-988 FRACTEL, LLC 2019-05-13 yes yes
951-992 T-Mobile T-MOBILE USA, INC. 2005-08-01 yes yes
951-999 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
FRONTIER CALIFORNIA INC. Frontier 12 23.1%
T-MOBILE USA, INC. T-Mobile 10 19.2%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Verizon 8 15.4%
NEW CINGULAR WIRELESS PCS, LLC AT&T 5 9.6%
TWC IP ENABLED SERVICES, LLC Charter 4 7.7%
ONVOY, LLC - CA Onvoy 3 5.8%
BANDWIDTH.COM CLEC, LLC - CA Bandwidth 2 3.8%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 2 3.8%
METROPCS NETWORKS, LLC T-Mobile 1 1.9%
CENTURYLINK COMMUNICATIONS, LLC Lumen 1 1.9%
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA Lumen 1 1.9%
PACIFIC BELL (COMPETITIVE) AT&T 1 1.9%
TELEPORT COMMUNICATIONS AMERICA, LLC - CA AT&T 1 1.9%
FRACTEL, LLC – 1 1.9%

Frequently asked

Which prefixes belong to MORENO in area code 951?

52 blocks: 208, 209, 214, 221, 242, 243, 247, 251, 269, 337, 363, 379 and 40 more, all listed in the table above.

Which carriers have numbers in MORENO?

FRONTIER CALIFORNIA INC. (12 blocks), T-MOBILE USA, INC. (10 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (8 blocks), NEW CINGULAR WIRELESS PCS, LLC (5 blocks), TWC IP ENABLED SERVICES, LLC (4 blocks), ONVOY, LLC - CA (3 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is MORENO 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 951

All 696 prefixes in 951