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

YAKIMA prefixes in area code 509

NANPA records 60 assigned NXX blocks to rate center YAKIMA in area code 509, 7.9% of the 763 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 QWEST CORPORATION (17), T-MOBILE USA, INC. (10), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA (7). The earliest assignment on record here is 2001-12-11 and the most recent 2026-08-28. 42 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

60 assigned blocks – 7.9% of 509
13 holders of record
42 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
509-208 T-Mobile T-MOBILE USA, INC. 2021-11-03 yes yes
509-225 Lumen QWEST CORPORATION – yes yes
509-248 Lumen QWEST CORPORATION – no yes
509-249 Lumen QWEST CORPORATION – no yes
509-268 Ziply Fiber ZIPLY FIBER NORTHWEST LLC DBA ZIPLY FIBER 2022-10-21 yes yes
509-307 T-Mobile T-MOBILE USA, INC. – yes yes
509-317 Lumen CENTURYLINK COMMUNICATIONS, LLC 2014-10-31 yes yes
509-367 T-Mobile METROPCS, INC. 2014-07-03 yes yes
509-379 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2012-12-17 yes yes
509-388 Lumen LEVEL 3 COMMUNICATIONS, LLC - WA – yes yes
509-406 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2009-03-16 yes yes
509-424 T-Mobile T-MOBILE USA, INC. 2012-05-03 yes yes
509-426 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - WA 2009-06-08 yes yes
509-452 Lumen QWEST CORPORATION – no yes
509-453 Lumen QWEST CORPORATION – no yes
509-454 Lumen QWEST CORPORATION – no yes
509-457 Lumen QWEST CORPORATION – no yes
509-469 Lumen QWEST CORPORATION – no yes
509-480 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2005-01-12 yes yes
509-490 T-Mobile METROPCS, INC. – yes yes
509-494 Lumen QWEST CORPORATION – yes yes
509-504 T-Mobile T-MOBILE USA, INC. 2020-07-09 yes yes
509-506 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2020-09-23 yes yes
509-509 Onvoy ONVOY, LLC - WA 2022-09-27 yes yes
509-517 T-Mobile T-MOBILE USA, INC. 2021-01-11 yes yes
509-571 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2013-12-18 yes yes
509-573 Lumen QWEST CORPORATION – no yes
509-574 Lumen QWEST CORPORATION – no yes
509-575 Lumen QWEST CORPORATION – no yes
509-576 Lumen QWEST CORPORATION – no yes
509-577 Lumen QWEST CORPORATION – no yes
509-594 Lumen LEVEL 3 COMMUNICATIONS, LLC - WA 2002-05-07 yes yes
509-654 Allstream ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM – yes yes
509-728 T-Mobile T-MOBILE USA, INC. – yes yes
509-731 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2008-10-23 yes yes
509-746 UNITED STATES CELLULAR - WA 2022-09-30 yes yes
509-759 T-Mobile T-MOBILE USA, INC. 2011-03-07 yes yes
509-801 AT&T NEW CINGULAR WIRELESS PCS, LLC 2026-08-28 yes no
509-823 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2008-02-22 yes yes
509-833 AT&T NEW CINGULAR WIRELESS PCS, LLC 2002-04-30 no yes
509-834 Allstream ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM – yes yes
509-853 Allstream ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM – yes yes
509-895 Allstream ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM – yes yes
509-901 T-Mobile T-MOBILE USA, INC. – yes yes
509-902 Charter CHARTER IP ENABLED SERVICES, LLC 2016-06-07 yes yes
509-907 T-Mobile T-MOBILE USA, INC. 2016-06-10 yes yes
509-910 T-Mobile T-MOBILE USA, INC. – yes yes
509-930 UNITED STATES CELLULAR - WA – yes yes
509-938 AT&T NEW CINGULAR WIRELESS PCS, LLC 2024-11-26 yes yes
509-941 UNITED STATES CELLULAR - WA – yes yes
509-945 UNITED STATES CELLULAR - WA – yes yes
509-949 UNITED STATES CELLULAR - WA – yes yes
509-952 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
509-955 Onvoy ONVOY, LLC - WA 2001-12-11 yes yes
509-961 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
509-965 Lumen QWEST CORPORATION – no yes
509-966 Lumen QWEST CORPORATION – no yes
509-969 AT&T NEW CINGULAR WIRELESS PCS, LLC – no yes
509-972 Lumen QWEST CORPORATION – yes yes
509-985 UNITED STATES CELLULAR - WA – 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
QWEST CORPORATION Lumen 17 28.3%
T-MOBILE USA, INC. T-Mobile 10 16.7%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA Verizon 7 11.7%
UNITED STATES CELLULAR - WA – 6 10%
NEW CINGULAR WIRELESS PCS, LLC AT&T 6 10%
ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM Allstream 4 6.7%
METROPCS, INC. T-Mobile 2 3.3%
LEVEL 3 COMMUNICATIONS, LLC - WA Lumen 2 3.3%
ONVOY, LLC - WA Onvoy 2 3.3%
ZIPLY FIBER NORTHWEST LLC DBA ZIPLY FIBER Ziply Fiber 1 1.7%
CENTURYLINK COMMUNICATIONS, LLC Lumen 1 1.7%
TELEPORT COMMUNICATIONS AMERICA, LLC - WA AT&T 1 1.7%
CHARTER IP ENABLED SERVICES, LLC Charter 1 1.7%

Frequently asked

Which prefixes belong to YAKIMA in area code 509?

60 blocks: 208, 225, 248, 249, 268, 307, 317, 367, 379, 388, 406, 424 and 48 more, all listed in the table above.

Which carriers have numbers in YAKIMA?

QWEST CORPORATION (17 blocks), T-MOBILE USA, INC. (10 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA (7 blocks), UNITED STATES CELLULAR - WA (6 blocks), NEW CINGULAR WIRELESS PCS, LLC (6 blocks), ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM (4 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is YAKIMA 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 509

All 763 prefixes in 509