CLOVIS prefixes in area code 559
NANPA records 41 assigned NXX blocks to rate center CLOVIS in area code 559, 5.2% 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. 13 holders hold those blocks, the largest being T-MOBILE USA, INC. (10), PACIFIC BELL (9), NEW CINGULAR WIRELESS PCS, LLC (4). The earliest assignment on record here is 2001-03-01 and the most recent 2026-09-18. 34 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 codes 357, 575 – overlay codes cover the same geography, so a rate center is served by all of them.
Prefixes assigned here
| Prefix | Holder of record | Assigned | Pooled | In service |
|---|---|---|---|---|
| 559-203 | T-Mobile T-MOBILE USA, INC. | 2010-12-13 | yes | yes |
| 559-207 | T-Mobile T-MOBILE USA, INC. | 2016-08-31 | yes | yes |
| 559-297 | AT&T PACIFIC BELL | – | no | yes |
| 559-298 | AT&T PACIFIC BELL | – | no | yes |
| 559-299 | AT&T PACIFIC BELL | – | no | yes |
| 559-314 | Onvoy ONVOY, LLC - CA | – | yes | yes |
| 559-321 | Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC | – | yes | yes |
| 559-322 | AT&T PACIFIC BELL | – | no | yes |
| 559-323 | AT&T PACIFIC BELL | – | no | yes |
| 559-324 | AT&T PACIFIC BELL | – | no | yes |
| 559-325 | AT&T PACIFIC BELL | – | yes | yes |
| 559-326 | Lumen LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | – | yes | yes |
| 559-327 | AT&T PACIFIC BELL | – | no | yes |
| 559-387 | AT&T PACIFIC BELL | 2013-10-31 | yes | yes |
| 559-392 | AT&T NEW CINGULAR WIRELESS PCS, LLC | – | yes | yes |
| 559-472 | Lumen LEVEL 3 COMMUNICATIONS, LLC - CA | – | yes | yes |
| 559-545 | T-Mobile T-MOBILE USA, INC. | 2015-02-03 | yes | yes |
| 559-575 | Bandwidth BANDWIDTH.COM CLEC, LLC - CA | 2014-04-17 | yes | yes |
| 559-578 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 2015-05-13 | yes | yes |
| 559-593 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 2001-03-01 | yes | yes |
| 559-599 | FRACTEL, LLC | 2020-07-24 | yes | yes |
| 559-628 | Bandwidth BANDWIDTH.COM CLEC, LLC - CA | 2021-10-22 | yes | yes |
| 559-649 | AT&T NEW CINGULAR WIRELESS PCS, LLC | 2021-12-13 | yes | yes |
| 559-701 | T-Mobile T-MOBILE USA, INC. | 2017-03-23 | yes | yes |
| 559-712 | T-Mobile T-MOBILE USA, INC. | 2015-05-20 | yes | yes |
| 559-765 | Lumen LEVEL 3 COMMUNICATIONS, LLC - CA | 2002-06-14 | yes | yes |
| 559-767 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 2022-08-10 | yes | yes |
| 559-770 | AT&T NEW CINGULAR WIRELESS PCS, LLC | 2015-09-08 | yes | yes |
| 559-797 | TPx U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 2001-03-22 | yes | yes |
| 559-818 | NUSO, LLC | – | yes | yes |
| 559-826 | AT&T NEW CINGULAR WIRELESS PCS, LLC | 2014-11-03 | yes | yes |
| 559-862 | Lumen LEVEL 3 COMMUNICATIONS, LLC - CA | 2002-05-17 | yes | yes |
| 559-872 | T-Mobile T-MOBILE USA, INC. | 2023-08-23 | yes | yes |
| 559-874 | Onvoy ONVOY, LLC - CA | 2023-10-04 | yes | yes |
| 559-882 | T-Mobile T-MOBILE USA, INC. | 2024-01-19 | yes | yes |
| 559-900 | Onvoy ONVOY, LLC - CA | – | yes | yes |
| 559-914 | T-Mobile T-MOBILE USA, INC. | 2024-08-20 | yes | yes |
| 559-938 | Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 2025-02-13 | yes | yes |
| 559-940 | T-Mobile T-MOBILE USA, INC. | 2002-09-19 | yes | yes |
| 559-968 | T-Mobile T-MOBILE USA, INC. | 2025-08-22 | yes | yes |
| 559-971 | INTRADO COMMUNICATIONS, LLC | 2026-09-18 | yes | no |
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
| Holder | Brand | Blocks | Share here |
|---|---|---|---|
| T-MOBILE USA, INC. | T-Mobile | 10 | 24.4% |
| PACIFIC BELL | AT&T | 9 | 22% |
| NEW CINGULAR WIRELESS PCS, LLC | AT&T | 4 | 9.8% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | Verizon | 4 | 9.8% |
| ONVOY, LLC - CA | Onvoy | 3 | 7.3% |
| LEVEL 3 COMMUNICATIONS, LLC - CA | Lumen | 3 | 7.3% |
| BANDWIDTH.COM CLEC, LLC - CA | Bandwidth | 2 | 4.9% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | Verizon | 1 | 2.4% |
| LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | Lumen | 1 | 2.4% |
| FRACTEL, LLC | – | 1 | 2.4% |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | TPx | 1 | 2.4% |
| NUSO, LLC | – | 1 | 2.4% |
| INTRADO COMMUNICATIONS, LLC | – | 1 | 2.4% |
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 CLOVIS in area code 559?
41 blocks: 203, 207, 297, 298, 299, 314, 321, 322, 323, 324, 325, 326 and 29 more, all listed in the table above.
Which carriers have numbers in CLOVIS?
T-MOBILE USA, INC. (10 blocks), PACIFIC BELL (9 blocks), NEW CINGULAR WIRELESS PCS, LLC (4 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (4 blocks), ONVOY, LLC - CA (3 blocks), LEVEL 3 COMMUNICATIONS, 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 CLOVIS 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.