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

VISALIA prefixes in area code 559

NANPA records 83 assigned NXX blocks to rate center VISALIA in area code 559, 10.6% 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. 20 holders hold those blocks, the largest being NEW CINGULAR WIRELESS PCS, LLC (23), PACIFIC BELL (22), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6). The earliest assignment on record here is 2001-07-16 and the most recent 2026-09-18. 63 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 357 – overlay codes cover the same geography, so a rate center is served by all of them.

83 assigned blocks – 10.6% of 559
20 holders of record
63 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
559-205 Peerless PEERLESS NETWORK OF CALIFORNIA, LLC - CA – yes yes
559-280 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
559-300 T-Mobile T-MOBILE USA, INC. 2002-01-29 yes yes
559-302 Lumen LEVEL 3 TELECOM OF CALIFORNIA, LP - CA – yes yes
559-303 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
559-308 T-Mobile METROPCS, INC. – yes yes
559-334 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS – yes yes
559-372 AT&T AT&T ENTERPRISES, LLC 2008-02-22 yes yes
559-409 Telnyx TELNYX LLC 2016-12-15 yes yes
559-429 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA 2007-06-04 yes yes
559-471 Onvoy ONVOY, LLC - CA – yes yes
559-501 American Messaging AMERICAN MESSAGING SERVICES, LLC – no yes
559-502 AT&T NEW CINGULAR WIRELESS PCS, LLC 2023-08-04 yes yes
559-516 AT&T NEW CINGULAR WIRELESS PCS, LLC 2020-05-28 yes yes
559-518 AT&T NEW CINGULAR WIRELESS PCS, LLC 2020-10-14 yes yes
559-553 Onvoy ONVOY, LLC - CA – yes yes
559-557 AT&T NEW CINGULAR WIRELESS PCS, LLC 2020-10-22 yes yes
559-563 T-Mobile T-MOBILE USA, INC. 2015-03-09 yes yes
559-571 T-Mobile T-MOBILE USA, INC. 2015-06-22 yes yes
559-602 AT&T NEW CINGULAR WIRELESS PCS, LLC 2019-11-19 yes yes
559-604 AT&T NEW CINGULAR WIRELESS PCS, LLC 2020-12-09 yes yes
559-608 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - CA 2015-08-18 yes yes
559-610 AT&T NEW CINGULAR WIRELESS PCS, LLC 2021-08-31 yes yes
559-619 AT&T NEW CINGULAR WIRELESS PCS, LLC 2021-07-29 yes yes
559-622 AT&T PACIFIC BELL – no yes
559-623 AT&T PACIFIC BELL – yes yes
559-624 AT&T PACIFIC BELL – yes yes
559-625 AT&T PACIFIC BELL – no yes
559-627 AT&T PACIFIC BELL – yes yes
559-635 AT&T PACIFIC BELL – no yes
559-636 AT&T PACIFIC BELL – no yes
559-651 AT&T PACIFIC BELL – yes yes
559-667 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2001-07-16 yes yes
559-679 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
559-690 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 2015-03-13 yes yes
559-697 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA – yes yes
559-699 FRACTEL, LLC 2020-07-10 yes yes
559-713 AT&T PACIFIC BELL – yes yes
559-723 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
559-730 AT&T PACIFIC BELL – yes yes
559-731 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
559-732 AT&T PACIFIC BELL – no yes
559-733 AT&T PACIFIC BELL – no yes
559-734 AT&T PACIFIC BELL – no yes
559-735 AT&T PACIFIC BELL – no yes
559-736 AT&T NEW CINGULAR WIRELESS PCS, LLC 2002-03-19 no yes
559-737 AT&T PACIFIC BELL – yes yes
559-738 AT&T PACIFIC BELL – yes yes
559-739 AT&T PACIFIC BELL – yes yes
559-740 AT&T PACIFIC BELL – yes yes
559-741 AT&T PACIFIC BELL – yes yes
559-746 Onvoy ONVOY, LLC - CA – yes yes
559-747 AT&T PACIFIC BELL – yes yes
559-749 AT&T PACIFIC BELL – yes yes
559-750 T-Mobile METROPCS, INC. – yes yes
559-754 T-Mobile T-MOBILE USA, INC. 2014-11-11 yes yes
559-786 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
559-798 AT&T PACIFIC BELL – yes yes
559-799 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
559-802 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
559-804 T-Mobile METROPCS, INC. – yes yes
559-805 T-Mobile METROPCS, INC. – yes yes
559-806 TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2022-06-30 yes yes
559-809 Dish BOOST SUBSCRIBERCO L.L.C. 2021-12-30 yes yes
559-820 AT&T NEW CINGULAR WIRELESS PCS, LLC 2023-03-10 yes yes
559-827 Lumen LEVEL 3 COMMUNICATIONS, LLC - CA 2002-05-17 yes yes
559-830 AT&T NEW CINGULAR WIRELESS PCS, LLC 2023-05-03 yes yes
559-839 AT&T NEW CINGULAR WIRELESS PCS, LLC 2023-05-03 yes yes
559-873 INTRADO COMMUNICATIONS, LLC 2026-09-18 yes no
559-879 Onvoy ONVOY, LLC - CA 2023-10-04 yes yes
559-889 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-03-25 yes yes
559-901 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
559-909 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – yes yes
559-913 T-Mobile T-MOBILE USA, INC. 2024-08-20 yes yes
559-931 Bandwidth BANDWIDTH.COM CLEC, LLC - CA 2015-05-13 yes yes
559-932 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-12-30 yes yes
559-936 AT&T NEW CINGULAR WIRELESS PCS, LLC – yes yes
559-946 FRACTEL, LLC 2021-03-05 yes yes
559-967 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
559-972 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA – no yes
559-979 HD CARRIER LLC 2026-09-14 yes no
559-989 AT&T NEW CINGULAR WIRELESS PCS, LLC 2025-12-18 yes yes
559-993 TON80 COMMUNICATIONS, LLC 2022-03-02 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 23 27.7%
PACIFIC BELL AT&T 22 26.5%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA Verizon 6 7.2%
T-MOBILE USA, INC. T-Mobile 5 6%
METROPCS, INC. T-Mobile 4 4.8%
ONVOY, LLC - CA Onvoy 4 4.8%
LEVEL 3 COMMUNICATIONS, LLC - CA Lumen 3 3.6%
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS TPx 2 2.4%
TELEPORT COMMUNICATIONS AMERICA, LLC - CA AT&T 2 2.4%
FRACTEL, LLC – 2 2.4%
PEERLESS NETWORK OF CALIFORNIA, LLC - CA Peerless 1 1.2%
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA Lumen 1 1.2%
AT&T ENTERPRISES, LLC AT&T 1 1.2%
TELNYX LLC Telnyx 1 1.2%
AMERICAN MESSAGING SERVICES, LLC American Messaging 1 1.2%
BOOST SUBSCRIBERCO L.L.C. Dish 1 1.2%
INTRADO COMMUNICATIONS, LLC – 1 1.2%
BANDWIDTH.COM CLEC, LLC - CA Bandwidth 1 1.2%
HD CARRIER LLC – 1 1.2%
TON80 COMMUNICATIONS, LLC – 1 1.2%

Frequently asked

Which prefixes belong to VISALIA in area code 559?

83 blocks: 205, 280, 300, 302, 303, 308, 334, 372, 409, 429, 471, 501 and 71 more, all listed in the table above.

Which carriers have numbers in VISALIA?

NEW CINGULAR WIRELESS PCS, LLC (23 blocks), PACIFIC BELL (22 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (6 blocks), T-MOBILE USA, INC. (5 blocks), METROPCS, INC. (4 blocks), ONVOY, LLC - CA (4 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is VISALIA 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 559

All 785 prefixes in 559