FCC Registration Number

FRN 0018720359

CORES registration

Connected companies

CompanyRelationshipSourceConfidence
Northwest Pipeline IncownerASR100.0%
Northwest Pipeline InclicenseeULS100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(801) 541-7481Williams Northwest Pipeline ownerASR100.0%
(801) 584-6068NORTHWEST PIPELINE CORPORATION ownerASR100.0%
(801) 584-6068Northwest Pipeline GP LULS100.0%

ULS licenses

Grant dateCall signServiceStatusLicensee
2026-07-25WSNP704IGAWilliams Northwest Pipeline
2026-07-08WQYF520MGANorthwest Pipeline GP
2026-06-04WQFP526MGANorthwest Pipeline GP
2026-05-23WQFL969MGANorthwest Pipeline GP
2026-05-15WQFK368MGANorthwest Pipeline GP
2026-05-15WQFK382MGANorthwest Pipeline GP
2026-05-15WQFJ367MGANorthwest Pipeline GP
2026-05-15WQFK373MGANorthwest Pipeline GP
2026-05-15WQFK401MGANorthwest Pipeline GP
2026-05-15WQFK380MGANorthwest Pipeline GP
2026-05-15WQFK402MGANorthwest Pipeline GP
2026-04-01WQXV943GBAWILLIAMS NORTHWEST PIPELINE
2026-03-21WQFA737MGANorthwest Pipeline GP
2026-01-07WQEJ502MGANorthwest Pipeline GP
2026-01-07WRXW657IGANorthwest Pipeline LLC
2026-01-07WRXW658IGANorthwest Pipeline LLC
2025-09-04WQDW905IGANorthwest Pipeline LLC
2025-09-04KOE910IGANorthwest Pipeline LLC
2025-07-10WQDK863MGANorthwest Pipeline GP
2025-06-06WQDG849MGANorthwest Pipeline GP
2025-06-06WQDG850MGANorthwest Pipeline GP
2025-06-06WQDG848MGANorthwest Pipeline GP
2025-04-23KOF435IGANorthwest Pipeline LLC
2025-04-23WQCW364MGANorthwest Pipeline GP
2025-04-23KAE822IGANorthwest Pipeline LLC
2025-01-16WQCF473MGANorthwest Pipeline GP
2024-11-09WSFT962MGANorthwest Pipeline GP
2024-11-09WSFT964MGANorthwest Pipeline GP
2024-11-09WSFT961MGANorthwest Pipeline GP
2024-11-09WSFT963MGANorthwest Pipeline GP
2024-09-05WNAZ663IGANorthwest Pipeline LLC
2024-08-06WQBK656MGANorthwest Pipeline GP
2024-08-06WQBK648MGANorthwest Pipeline GP
2024-08-06WQBK645MGANorthwest Pipeline GP
2024-08-06WQBK650MGANorthwest Pipeline GP
2024-08-06WQBK644MGANorthwest Pipeline GP
2024-08-06WQBK654MGANorthwest Pipeline GP
2024-08-06WQBK652MGANorthwest Pipeline GP
2024-07-19WSDV462MGANorthwest Pipeline GP
2024-04-16WPNV900IGANorthwest Pipeline LLC
2024-03-19KBP251IGANorthwest Pipeline LLC
2024-03-19WNXT453IGANorthwest Pipeline LLC
2024-03-19KTG844IGANorthwest Pipeline LLC
2024-03-07WSBR931MGANorthwest Pipeline GP
2024-03-05WSBQ317MGANorthwest Pipeline GP
2024-03-05WSBQ318MGANorthwest Pipeline GP
2024-03-05WSBQ315MGANorthwest Pipeline GP
2024-03-05WSBQ321MGANorthwest Pipeline GP
2024-03-05WSBQ319MGANorthwest Pipeline GP
2024-03-05WSBQ316MGANorthwest Pipeline GP
2024-03-05WSBQ314MGANorthwest Pipeline GP
2024-03-05WSBQ320MGANorthwest Pipeline GP
2024-02-29KBT379IGANorthwest Pipeline LLC
2024-02-29WQTV423GBAWILLIAMS NORTHWEST PIPELINE
2024-02-29KNEF597IGANorthwest Pipeline LLC
2024-02-29KOE911IGANorthwest Pipeline LLC
2024-02-29KDB568IGANorthwest Pipeline LLC
2024-02-29KBP254IGANorthwest Pipeline LLC
2024-02-28KBP253IGANorthwest Pipeline LLC
2024-02-28KOE883IGANorthwest Pipeline LLC
2024-02-27KAE823IGANorthwest Pipeline LLC
2024-01-03KNIA407IGANorthwest Pipeline LLC
2023-09-13WRW940IGANorthwest Pipeline LLC
2023-09-13KNFW977IGANorthwest Pipeline LLC
2023-09-13WRW939IGANorthwest Pipeline LLC
2023-08-30WNXU329GOANorthwest Pipeline GP
2023-08-30WPYN401IGANorthwest Pipeline GP
2023-06-06WPYE509MGANorthwest Pipeline GP
2023-06-06WQSB215MGANorthwest Pipeline GP
2023-05-12WXD225IGANorthwest Pipeline LLC
2023-05-06WRXW659IGANorthwest Pipeline LLC
2023-03-22WPBB624IGANorthwest Pipeline LLC
2023-01-18WPXD347MGANorthwest Pipeline GP
2023-01-18WPXF927MGANorthwest Pipeline GP
2023-01-18WPXB854MGANorthwest Pipeline GP
2022-12-28KNEF595IGANorthwest Pipeline LLC
2022-12-13WNTQ383MGANorthwest Pipeline LLC
2022-11-17WNTQ413MGANorthwest Pipeline LLC
2022-11-04WPBB626IGANorthwest Pipeline LLC
2022-11-02WNTQ391MGANorthwest Pipeline LLC
2022-11-02WNTQ390MGANorthwest Pipeline LLC
2022-10-26WNTQ382MGANorthwest Pipeline LLC
2022-10-26WNTQ387MGANorthwest Pipeline LLC
2022-10-20WNTQ385MGANorthwest Pipeline LLC
2022-09-13WNTQ324MGANorthwest Pipeline GP
2022-09-13WNTQ326MGANorthwest Pipeline GP
2022-08-04WRUA326MGANorthwest Pipeline GP
2022-08-04WRUA325MGANorthwest Pipeline GP
2022-08-04WRUA327MGANorthwest Pipeline GP
2022-08-04WRUA324MGANorthwest Pipeline GP
2022-08-04WRUA328MGANorthwest Pipeline GP
2022-06-23WPVZ312GOANorthwest Pipeline GP
2022-06-23WPVY669GOANorthwest Pipeline GP
2022-06-16WNTP554MGANorthwest Pipeline LLC
2022-06-14WNTP661MGANorthwest Pipeline GP
2022-06-10WNTP744MGANorthwest Pipeline GP
2022-06-10WNEQ502MGANorthwest Pipeline GP
2022-06-09WNEQ521MGANorthwest Pipeline GP
2022-06-09WNEQ540MGANorthwest Pipeline GP
2022-06-09WNEQ535MGANorthwest Pipeline GP

Antenna Structure Registrations

IssuedRegistrationRegistrantStatus
2026-07-011334010Williams Northwest PipelineAM
2026-07-011334009Williams Northwest PipelineAM
2019-03-121305111Northwest PipelineNT
2017-10-171060545NORTHWEST PIPELINE CORPORATIONNT
2017-10-091300230Northwest Pipeline GPNT
2013-04-251283709Northwest Pipeline GPNT

Source provenance

SystemRecordRecorded nameRaw FRNObserved
ASR4d36aa1cdc51c24545bf4dccbe9af77860c77307921264a0cb2de3b59ccebdbaWilliams Northwest Pipeline00187203592026-08-04 23:18:26
ULS01de02f5bbf7207e6505431e184f87160ef71ca65ac6c9a8d62477a9fe8ea026Northwest Pipeline GP00187203592026-08-04 00:48:25
ASR3bc643b8bf366cf2bca4e0bad3eeb357c689671ed80570730be09ffa9c577265NORTHWEST PIPELINE CORPORATION00187203592026-08-03 23:18:22
ULS01a5cf631e4d42395d22e037ee83e66af9d69642cfec8aab6d5ce9f0cf8b9858Northwest Pipeline GP00187203592026-08-03 16:18:24
ULS00f22b0839fd9f2185a52efcc0cd00d946a92514378316223b6599e5b9c27022Northwest Pipeline GP00187203592026-08-02 04:18:17
ULS0048c8cc13ed92b6d0175aad6414c80c40228a7016a9b62e36772c3ac6d29219Northwest Pipeline GP00187203592026-08-01 04:18:14

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