Public regulatory phone

(630) 221-8500

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

Company or contactFRNSystemSource recordConfidenceObserved
Central States Tower II, LLC
owner
0020371035ASRf634de14c3994c8f0e36f717875b4b8f4e8f06579b5ea5c92506507c5e51f1b6Authoritative identifier (100.0%)2026-08-15 09:49:18
Chicago SMSA Limited Partnership
owner
0024212334ASRf441d8b13faac5cccc5493071382cfc60a675520f4e334ed70d081d0663d23bbAuthoritative identifier (100.0%)2026-08-15 07:19:15
CST Holdings, LLC
owner
0015017353ASRed6f0ceeb9dafa1852d3a5ddf202a76d237f6411c8e50d990f777e5b66720ee9Authoritative identifier (100.0%)2026-08-14 17:49:12
Central States Tower II, LLC
owner
0020371035ASRe629d75f986cde282d8713af4bb700bd29a851cdefead2e99834f28076479271Authoritative identifier (100.0%)2026-08-14 03:19:06
Central States Tower V, LLC
owner
0030232128ASRe433534adae36fe65cea89a1fb4edcbba936b1c5881d92837bea05b80367eb36Authoritative identifier (100.0%)2026-08-14 01:19:09
Chicago SMSA Limited Partnership
owner
0024212334ASRe083d93d6f1ff2b088eaa9c830657953b8a1e7c2c2773ed197b15adf13a5aa53Authoritative identifier (100.0%)2026-08-13 16:49:09
Central States Tower V, LLC
owner
0030232128ASRdc73316b2d32f2aa95c1ec6a2d6d4a91c2017d5e583d1672b1d1d8a714eab839Authoritative identifier (100.0%)2026-08-13 12:49:04
Central States Tower II, LLC
owner
0020371035ASRcfa1ff6f6f97161774a782748fbfc9e2eb255bb3b968a8bfa0f4fd462a3a40aeAuthoritative identifier (100.0%)2026-08-12 19:19:02
Central States Tower V, LLC
owner
0030232128ASRcf8a502b484ddfad75a0d849b7d221bce28f2790b4dcef4e5cef5dbb9760e44bAuthoritative identifier (100.0%)2026-08-12 19:19:01
CST Holdings, LLC
owner
0015017353ASRcf45f795239e1205e52d8499ddfd6e2ce9fba07b003dceb65c778a030d45bf52Authoritative identifier (100.0%)2026-08-12 19:19:00
Central States Tower II, LLC
owner
0020371035ASRca0655c7a1523811000fafe43a611a037bc592976c7f72ceec2d598e7fb18a29Authoritative identifier (100.0%)2026-08-12 13:19:03
Encino Tower Partners III, LLC
owner
0027465087ASRc74dafc01899404e6ef2dc6180fcc6eeb8469efd4a2bb135b9cce4031ae5b38bAuthoritative identifier (100.0%)2026-08-12 10:49:02
Encino Tower Partners III, LLC
owner
0027465087ASRc6aae37f150e23c2124f1d3d9f1f8885724e246a51e40ee2b348746405f3d496Authoritative identifier (100.0%)2026-08-12 10:19:04
Central States Tower II, LLC
owner
0020371035ASRc30dd8f14fe2a49d676c43d63d19c1597a227aaa70c97f58f6defbcb77f41f7aAuthoritative identifier (100.0%)2026-08-12 06:19:01
Central States Tower II, LLC
owner
0020371035ASRbe7747afd7de19a5af4de40195ad91605fdbe5a9b246b13cff3c27167f5a435cAuthoritative identifier (100.0%)2026-08-11 23:49:01
Central States Tower II, LLC
owner
0020371035ASRb62f9884223b9491f523a6d7263cc582724767132ab005b8c0ad85deb6401236Authoritative identifier (100.0%)2026-08-11 10:48:55
Encino Tower Partners II, LLC
owner
0024230278ASRb4e31d914e079203dff514e028040af2fb36af49a2a17acecd17c2ddd7a7cba7Authoritative identifier (100.0%)2026-08-11 09:48:57
Central States Tower II, LLC
owner
0020371035ASRb198207c3b3c221726bedbe5e24b57852e953a70b8df94708428f354ac613514Authoritative identifier (100.0%)2026-08-11 04:18:53
CST Holdings, LLC
owner
0015017353ASRa6a6011b4cd9cedc17c0954aabc1b4c78107dd2e17439d8823d493974971a3c0Authoritative identifier (100.0%)2026-08-10 11:48:50
Central States Tower II, LLC
owner
0020371035ASRa51dd4caec00cb25309893afd92e14b0e409c5df867c285666276a13cec44109Authoritative identifier (100.0%)2026-08-10 08:48:47
Central States Tower II, LLC
owner
0020371035ASRa49c6e9c3a7fa2cb1a9d8b7e36c4a1df38582d004a7af53b4dd6a6a87b5c1e18Authoritative identifier (100.0%)2026-08-10 07:48:50
Central States Tower II, LLC
owner
0020371035ASRa2bd8c7e758b0ee675169e9b87a9932522af2c9b35a105ffba95b89f40f18b4fAuthoritative identifier (100.0%)2026-08-10 05:18:50
Central States Tower V, LLC
owner
0030232128ASRa099dbcd07933df2e0f4b8602ed86413249a2413a4c592f48cba38f49f25bb2fAuthoritative identifier (100.0%)2026-08-10 03:18:47
Encino Tower Partners III, LLC
owner
0027465087ASR9a30bbd53de6fcd3f33bb0cc02df2b0beacd50b37afa01fa725a005c8f97bdacAuthoritative identifier (100.0%)2026-08-09 10:48:45
CST Holdings, LLC
owner
0015017353ASR99bbcfa850ba0889940ea0f4e229b2af24193fbb993a14efb45cc73b63844f38Authoritative identifier (100.0%)2026-08-09 08:18:48
Central States Tower II, LLC
owner
0020371035ASR91d0d4b1452136f1f2e40feb2b3aeb05e5d01849abdf509739f2851d982b4b67Authoritative identifier (100.0%)2026-08-08 15:18:40
CST Holdings, LLC
owner
0015017353ASR90f831f0623935ab3fbc114c58a2be02517cb063e82da2503801cd0407111895Authoritative identifier (100.0%)2026-08-08 13:18:44
Central States Tower II, LLC
owner
0020371035ASR8ee40e9ef9cf0ef9539db8bdb43b6c4994d6de360bbbfa83f6881a9e582a4f35Authoritative identifier (100.0%)2026-08-08 10:48:44
Central States Tower II, LLC
owner
0020371035ASR8dc5bdcb06df24108ad84531f93b37a35b3a75fda5a0d84b9ad0f71f74d310baAuthoritative identifier (100.0%)2026-08-08 09:48:40
Central States Tower II, LLC
owner
0020371035ASR8d5f9ca5e1aa0fcc88ada07ec806b4d1ade90953dadbf05d864522c71640c831Authoritative identifier (100.0%)2026-08-08 09:18:43
Encino Tower Partners, LLC
owner
0020814216ASR8cb5fa69b0cc828f19d6dcfd95b134da74479a4fdf1ee792f3add4d317ed65abAuthoritative identifier (100.0%)2026-08-08 07:48:42
Central States Tower II, LLC
owner
0020371035ASR88019ec0b7106375aa47de28cbde858eedf8c1e28c02817b060dc8e03940c0b3Authoritative identifier (100.0%)2026-08-08 03:18:42
Central States Tower II, LLC
owner
0020371035ASR813d0b96a04d9822a8034f4c1436f54d36dd16503b2473a597fcaa32b9608249Authoritative identifier (100.0%)2026-08-07 13:18:38
Central States Tower
owner
0013502554ASR7ca424edb5bac944df6b3504db8a2598ecd44be9a47536bb19e4ea7e171f0937Authoritative identifier (100.0%)2026-08-07 08:18:37
Central States Tower II, LLC
owner
0020371035ASR7a041f45cacf2566da6129ecea4fad7f0cead706dddecf16d55859ec42c9ea0aAuthoritative identifier (100.0%)2026-08-07 02:48:36
Central States Tower V, LLC
owner
0030232128ASR6e0567ac7effdfeeb9227623d394ed3b214288d9fa6da00cc33819a0409e0da6Authoritative identifier (100.0%)2026-08-06 10:48:34
Central States Tower II, LLC
owner
0020371035ASR68452698bf406271ac3da8aaa4d984de9a9591925f1ea55d56b5ac0b0ade5a7cAuthoritative identifier (100.0%)2026-08-06 04:18:30
CST Holdings, LLC
owner
0015017353ASR67ec42c760ab3b48f100595e32229ad69fc9ea6c981967d61064dad2ca31c03eAuthoritative identifier (100.0%)2026-08-06 03:18:32
Central States Tower II, LLC
owner
0020371035ASR6076f5ae1ec01dd21bee5b7021c954c23103921a9f5a23ade05eeee44ba3c888Authoritative identifier (100.0%)2026-08-05 18:48:29
Central States Tower V, LLC
owner
0030232128ASR5bf8f6656c8f4171e724132b737bc9f5e945e01bbaef5e8576fdd97c7320dc48Authoritative identifier (100.0%)2026-08-05 14:18:27
Encino Tower Partners III, LLC
owner
0027465087ASR56466e02302c277a3e6257f12ab96fec6e3b9a7749ae9e9a1f7921db9974c88bAuthoritative identifier (100.0%)2026-08-05 08:48:27
Central States Tower II, LLC
owner
0020371035ASR55eae4d614ef865bee4f2b02376f525451ef0625fff8d56d9d228703cb22bbe2Authoritative identifier (100.0%)2026-08-05 08:18:29
Central States Tower II, LLC
owner
0020371035ASR5232c4c87eab87fe73a9eee327b921a1dcaf6333a73c9c9b6dcab61f28998496Authoritative identifier (100.0%)2026-08-05 05:18:27
Encino Tower Partners III, LLC
owner
0027465087ASR4d774626c91de066426eeffc02a17aff11e18b53bdcea13136e92b835c4e8454Authoritative identifier (100.0%)2026-08-04 23:18:27
CST Holdings, LLC
owner
0015017353ASR4d8fc997e4b3df4956e1bc36d30fc0d1e11c125446efddf842cfc0035694ddc6Authoritative identifier (100.0%)2026-08-04 23:18:27
Central States Tower II, LLC
owner
0020371035ASR4d157b2c2e06c403dc513c36e9d67c7e1b3c91ef6d263840683c7409b8f1721eAuthoritative identifier (100.0%)2026-08-04 23:18:26
Central States Tower
owner
0013502554ASR46ec3103378bd1a2a96ad33b525f893aaf09f715a7dd458b89d34752c878693bAuthoritative identifier (100.0%)2026-08-04 12:48:25
Chicago SMSA Limited Partnership
owner
0024212334ASR45f88a5a799ff2d1ab7296bb271d1237b54e2c73fdaefe57f0edc48d405fc467Authoritative identifier (100.0%)2026-08-04 12:18:25
Encino Tower Partners III, LLC
owner
0027465087ASR449d001815bf2ff27c3241a20827560b43f477b228d22607a27c588b0bdd48b2Authoritative identifier (100.0%)2026-08-04 10:48:24
Chicago SMSA Limited Partnership
owner
0024212334ASR420335c68f98a12a2579488eecf664e84d27da2b8efa5658f6ea43a1823ce816Authoritative identifier (100.0%)2026-08-04 08:48:22
Minnesota Towers Holdings, LLC
owner
0020794996ASR3f415ce55eb4f5aad32dcd3608c1b7c4906b354d2b220910aa2075da65011604Authoritative identifier (100.0%)2026-08-04 02:48:23
Central States Tower II, LLC
owner
0020371035ASR3d1796ccc9a446b4c68b97ebcb1ecf427a24635dd9ae3018a71a23e4ffa69aa0Authoritative identifier (100.0%)2026-08-04 00:48:22
Central States Tower II, LLC
owner
0020371035ASR3a87aa60b65fd9414da724ffc6c2354ec22b4438dbf15fd02a828f0db26a7047Authoritative identifier (100.0%)2026-08-03 20:48:24
Central States Tower II, LLC
owner
0020371035ASR35d0cee9b7a34acb9a5bbcb597b1261746b0c7d90f2b40828d38aba71409b8d1Authoritative identifier (100.0%)2026-08-03 15:18:26
Chicago SMSA Limited Partnership
owner
0024212334ASR31ef6bfc7982dc4381ba7dfa972901effceb791ff6fe72753fc907bb5f4e741dAuthoritative identifier (100.0%)2026-08-03 08:48:20
Central States Tower II, LLC
owner
0020371035ASR2fc403243b8ba336cd2eac4f46da83931225a69fb1112f7bdfe44901f9e232edAuthoritative identifier (100.0%)2026-08-03 04:48:23
CST Holdings, LLC
owner
0015017353ASR2a1b8465452fb384c8b6070de4da0ee19b486db7f608b34a2648ea443467280eAuthoritative identifier (100.0%)2026-08-02 21:18:18
CST Holdings, LLC
owner
0015017353ASR008397d1b62df7ab24ad532a08dd612620c182a154d700a072c11cb2a6f05043Authoritative identifier (100.0%)2026-07-31 16:34:38