Public regulatory phone

(410) 266-2132

Associations below come from public FCC regulatory records. Confidence describes the source relationship, not current ownership of the number.

Company or contact	FRN	System	Source record	Confidence	Observed
Aviation Spectrum Resources Inc L	0013756952	ULS	044ab0098dc2cf2fada56192d0f0a95381362a4f1235bc3e9ef74ccc0642e1fa	Authoritative identifier (100.0%)	2026-08-07 08:48:37
Aviation Spectrum Resources Inc L	0013756952	ULS	042dd65a3780ca3d1f0526c54b7e9e59d686799e0b9be8a495f1a97ae1cbdf9e	Authoritative identifier (100.0%)	2026-08-07 02:48:38
AERONAUTICAL RADIO, INC. L	0002152155	ULS	03f643b1381880153d071575fc62c3dd247705a2a1f24609633b39e76c23aa60	Authoritative identifier (100.0%)	2026-08-06 18:18:37
Aviation Spectrum Resources Inc L	0013756952	ULS	03dea6f2f8fe8c50ca9a1375900e44a35ca7c79b6adb4052d2d51deca447f498	Authoritative identifier (100.0%)	2026-08-06 16:18:38
Aviation Spectrum Resources Inc L	0013756952	ULS	03cd8dc77c5f95c6da58356effce87727af80711aa089063640bbfaf5e251f88	Authoritative identifier (100.0%)	2026-08-06 13:48:37
Aviation Spectrum Resources Inc L	0013756952	ULS	03bbf4f5a39b18251394fae762ed517eaa00a04d47c0f042c2697c951b410216	Authoritative identifier (100.0%)	2026-08-06 10:48:38
Aviation Spectrum Resources Inc L	0013756952	ULS	03bb117a592d59166e37791d80d8bb33d7d7226e33013f20fc28b3e78f336539	Authoritative identifier (100.0%)	2026-08-06 10:48:38
Aviation Spectrum Resources Inc L	0013756952	ULS	03a1c908b05a40253f604a3ae244b149dcd63f82f8f0fb7f046a5dd54750bdbf	Authoritative identifier (100.0%)	2026-08-06 08:48:34
Aviation Spectrum Resources Inc L	0013756952	ULS	038688ed02fa3ffc65df986be6d3cf23d00bbc82016cac9dd2ddfe3c6c0563e4	Authoritative identifier (100.0%)	2026-08-06 04:48:34
Aviation Spectrum Resources Inc L	0013756952	ULS	0380c7e4511879009111dd5f32b7c3fbab5fb99be271a566205d70894bf8a8db	Authoritative identifier (100.0%)	2026-08-06 04:18:32
AERONAUTICAL RADIO, INC. L	0002152155	ULS	038380bd5275a0f6e0c629bd65716809449878df472cde9a2439a6f7eeebd513	Authoritative identifier (100.0%)	2026-08-06 04:18:32
Aviation Spectrum Resources Inc L	0013756952	ULS	0380de7e34d275aa891a68e06cc8728d2cf2ea99d721257fec113cd5c0d824b0	Authoritative identifier (100.0%)	2026-08-06 04:18:32
Aviation Spectrum Resources Inc L	0013756952	ULS	0351acbed7639b4a1c036bdf7663ce9ae4e4d3013e3b876cee795989af2fdff9	Authoritative identifier (100.0%)	2026-08-05 21:18:32
Aviation Spectrum Resources Inc L	0013756952	ULS	031fbc27c6937604b1cd8ade2151c010d1a1d4ba7f73b7428468f9801056d426	Authoritative identifier (100.0%)	2026-08-05 15:48:29
AERONAUTICAL RADIO, INC. L	0002152155	ULS	030866096aac8ecddb2d7b7db8af22ef41f1e24bd20a829d193336187b209244	Authoritative identifier (100.0%)	2026-08-05 13:48:32
AERONAUTICAL RADIO, INC. L	0002152155	ULS	02fa378a03bd79571190d1d949ad7adcd03a4f85adaf614e041feb9a72a09097	Authoritative identifier (100.0%)	2026-08-05 12:18:31
AERONAUTICAL RADIO, INC. L	0002152155	ULS	02d82c76083729fe76cfc59e80595db7dde400149d183e36bfc08191cfc85f5c	Authoritative identifier (100.0%)	2026-08-05 09:18:31
Aviation Spectrum Resources Inc L	0013756952	ULS	02d6818ec9b4428574167d94c3ed061cfb6ae4504b6cb077f08e070bfbb86cf2	Authoritative identifier (100.0%)	2026-08-05 08:48:30
Aviation Spectrum Resources Inc L	0013756952	ULS	02b9c6c6b995ebe42a0b510b5836c392eea5718c4119a7f53b9930d316c41142	Authoritative identifier (100.0%)	2026-08-05 06:18:30
Aviation Spectrum Resources Inc L	0013756952	ULS	025e08594dfb7ac5b894bb60bacfafdef40cf8622300820cfa1d6500a906247f	Authoritative identifier (100.0%)	2026-08-04 17:48:28
Aviation Spectrum Resources Inc L	0013756952	ULS	0259af5c42754f15615716559d7eb5ce06436c86a1f9948649923c53d2fffef9	Authoritative identifier (100.0%)	2026-08-04 17:48:27
Aviation Spectrum Resources Inc L	0013756952	ULS	024cd8630b45c8e362701a07bbf26a4e11d230dcd7973a4edad0c0768c50faf8	Authoritative identifier (100.0%)	2026-08-04 15:48:27
Aviation Spectrum Resources Inc L	0013756952	ULS	0234aecc6781f89ecf66290d6b15e923126daafc7e81306c9e5f5c47bee0ae4c	Authoritative identifier (100.0%)	2026-08-04 12:18:27
Aviation Spectrum Resources Inc L	0013756952	ULS	0230c9ee08593b124629c3c68c94ca2ac7ffd400f5398769211130c2c13783d0	Authoritative identifier (100.0%)	2026-08-04 11:48:27
Aviation Spectrum Resources Inc L	0013756952	ULS	02292944d9e210e4dc17920facbc6b96bb083231e7553236114efb24c549c2a8	Authoritative identifier (100.0%)	2026-08-04 10:48:27
Aviation Spectrum Resources Inc L	0013756952	ULS	01fbb146d7cfe999f8c00dd3c7dc332bf56ee341af8c77012534d8bc86f2dee3	Authoritative identifier (100.0%)	2026-08-04 05:18:26
Aviation Spectrum Resources Inc L	0013756952	ULS	01e22e8faac757ef726aa9e4169d7d3c22a8757cfd287d8a54584525d884bf68	Authoritative identifier (100.0%)	2026-08-04 01:18:23
Aviation Spectrum Resources Inc L	0013756952	ULS	01e4ff35619b4d3d28f7253962cc4b2e1f16938cc0f5e5386d15b8e0e9c5e74b	Authoritative identifier (100.0%)	2026-08-04 01:18:23
Aviation Spectrum Resources Inc L	0013756952	ULS	01c2af4981a0f6e0673b10136104ecb331c02c638b6dcbabc345953a91795d02	Authoritative identifier (100.0%)	2026-08-03 20:48:26
Aviation Spectrum Resources Inc L	0013756952	ULS	01ae16bee0470540540d64d286cc8b0137fb79b94f41e28ef93c0226ec65f4ef	Authoritative identifier (100.0%)	2026-08-03 17:48:27
Aviation Spectrum Resources Inc L	0013756952	ULS	0195adc8cfd085e5f65b8dd30380fa146d6e1f4c604ff26f4aee6807fe556627	Authoritative identifier (100.0%)	2026-08-03 14:18:25
Aviation Spectrum Resources Inc L	0013756952	ULS	0184fbc76d709c78a7fee3d216ffb6b091d2f09dacbfd98670b542b4f6e0207e	Authoritative identifier (100.0%)	2026-08-03 12:18:25
Aviation Spectrum Resources Inc L	0013756952	ULS	017c51c9483cd4df5a76756cb4fd718af5dfa25a1e76a3b65975ea3653593151	Authoritative identifier (100.0%)	2026-08-03 11:48:23
Aviation Spectrum Resources Inc L	0013756952	ULS	0141994be365cc051cd871a7950d74045655d838b9cd32d0adcdedde11e25816	Authoritative identifier (100.0%)	2026-08-03 00:48:22
Aviation Spectrum Resources Inc L	0013756952	ULS	0124c31b924460f30c65c31f3b89f003cff83bb75e1fe23f02083a6bee4fc1fe	Authoritative identifier (100.0%)	2026-08-02 20:18:25
Aviation Spectrum Resources Inc L	0013756952	ULS	011a7064a08d215f2fe0aef77447bdb24215ae056a1fdbc285b5c6a99003874a	Authoritative identifier (100.0%)	2026-08-02 12:48:18
Aviation Spectrum Resources Inc L	0013756952	ULS	010869a7be0a0f1f0a6b7f15bd819886715d86b203378b14c752d50b963e87fe	Authoritative identifier (100.0%)	2026-08-02 07:48:19
Aviation Spectrum Resources Inc L	0013756952	ULS	00f589233189db885cfd5555d1e379a93cb152a27ac3573ef961a2b451e455c1	Authoritative identifier (100.0%)	2026-08-02 04:48:19
Aviation Spectrum Resources Inc L	0013756952	ULS	00ec04aca5c5960f8ecb7070abe65ff1153af575510459386eeb06ae6b658439	Authoritative identifier (100.0%)	2026-08-02 02:48:16
Aviation Spectrum Resources Inc L	0013756952	ULS	00e635fe932168c5654f69d6d9d1bf444c50106a6193e6742ade9a7958edfb61	Authoritative identifier (100.0%)	2026-08-02 00:48:17
Aviation Spectrum Resources Inc L	0013756952	ULS	00e09d8edb49c3021d9304f7a6d8f18c0a515f1ec0e53e3e2e0384a1d6a078e5	Authoritative identifier (100.0%)	2026-08-02 00:18:18
Aviation Spectrum Resources Inc L	0013756952	ULS	00a6d25214100eb5a600ab71a94a6980d6969b7dd50c4e9362be050ff3698b25	Authoritative identifier (100.0%)	2026-08-01 16:48:18
Aviation Spectrum Resources Inc L	0013756952	ULS	007642b276c8a37b0e163d98c6399e6733fc497591fda29e7566cc9f68f4f73d	Authoritative identifier (100.0%)	2026-08-01 10:18:15
Aviation Spectrum Resources Inc L	0013756952	ULS	001fec95fbb2fc17a68f12746b15db91ec0666a64472d51776a5267f65699322	Authoritative identifier (100.0%)	2026-07-31 21:18:08
Aviation Spectrum Resources Inc L	0013756952	ULS	001e2f5740e5cb7b601054466199df3bdd57b01f513b46c79022fbf2dd57c8a2	Authoritative identifier (100.0%)	2026-07-31 20:48:08
Aviation Spectrum Resources Inc L	0013756952	ULS	00171c1e1c7d874d85530dc16ae32260b846227c2cbe237835567d4c26ad6a8c	Authoritative identifier (100.0%)	2026-07-31 20:09:47