Public regulatory phone

(563) 584-7474

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
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	0b2d673c9945afaed719c7b61c9fcb1c24c65728815da8bf129600e4f14a5d86	Authoritative identifier (100.0%)	2026-08-20 17:14:00
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	0ad4b56399cebc852eab906e1cf4893cacf3d7a537f739cf703fdb39dc3753ca	Authoritative identifier (100.0%)	2026-08-19 21:43:58
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	098509f2bc59b6dbc9d8277d7c4b480c9c8d531fbea75b365d8c859d67ad899a	Authoritative identifier (100.0%)	2026-08-16 21:19:29
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	094effba18ba955474527310a7e4540b74890cc15a4289df54427a8e2ad4238b	Authoritative identifier (100.0%)	2026-08-16 08:49:27
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	f37197e2e9d3c03dd6310e68ed250f8cc3dfa5365c2200edfdd0b042bc5e716b	Authoritative identifier (100.0%)	2026-08-15 05:49:11
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	f19af5bd8aa21ae2d1680f41e4d344009523a2d262fcc57382dc748524ea4725	Authoritative identifier (100.0%)	2026-08-15 04:19:11
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	f0ebdc1897ed1becd4f04a8df6ba1fe39c097e1ab65e0087fc75abffb217b26a	Authoritative identifier (100.0%)	2026-08-15 02:19:11
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	ea54cd0ab8736cbfcec8d78e2604c4f5c9981f6751cdd99fe9213d4c0732a96a	Authoritative identifier (100.0%)	2026-08-14 10:19:09
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	e9733a7cd70facd6f70946f8e8679c528611dbdd5d8443d983d8ed07c5d6ba08	Authoritative identifier (100.0%)	2026-08-14 08:19:09
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	e8461b37f11fbcfde7555ba743d38e65cc5606a0d3b3200fcbb0efc51947b29a	Authoritative identifier (100.0%)	2026-08-14 05:19:13
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	e6c3da2f9aeef9385fec3678c6fe45c51bc3c4752e8a70b399677a3acfee3b80	Authoritative identifier (100.0%)	2026-08-14 04:19:09
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	e407c3ac9f95467cc9cb4c9df6217d788106375ec5211a6fa9f0b3d5ec9305b6	Authoritative identifier (100.0%)	2026-08-14 01:19:09
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	e24af912c1c67b5af2bf99a729598bf5da43a53b24cf3aa7493f94f48bc6f3af	Authoritative identifier (100.0%)	2026-08-13 18:49:08
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	ddc42622ad0a18f15aad5046ebdf47aa21025b3c8068b6c62245fc6b003cde65	Authoritative identifier (100.0%)	2026-08-13 14:49:05
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	dc49272c7b4493054c792aa0c69be98f4959d31eb380ddcb99b49d7fcbbf0caf	Authoritative identifier (100.0%)	2026-08-13 12:49:03
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	da659432887a4a6d239af2685bb0401e1c1d55bac4b04bcc1880c856ee9e2527	Authoritative identifier (100.0%)	2026-08-13 09:49:04
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	d849688f1e4f764096897642c3e9d13806cc222fb0212f469ddeb7cdc6527b99	Authoritative identifier (100.0%)	2026-08-13 06:49:08
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	d5c8e1bab9e4640bea52007dcecad7c034e2264b67a11581a78da017c10e0a8f	Authoritative identifier (100.0%)	2026-08-13 03:19:04
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	d3301d1bb332947ff8ed0b445844e1ba6be8f1f194e98d02b31167b9646dc4d5	Authoritative identifier (100.0%)	2026-08-13 01:19:03
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	0769f77fb86fd4d25f3929d4b95008509a735c85bc215bf4212c63c5a30f811c	Authoritative identifier (100.0%)	2026-08-12 19:19:07
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	cec082ef12f195097e2fd6a683674e7e986b58032c952a035db07f6dc43fe615	Authoritative identifier (100.0%)	2026-08-12 18:49:01
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	cd49e5ea0952f4fea234eee944338a2cfc6f6c083110b3c7130b6110bf6fe826	Authoritative identifier (100.0%)	2026-08-12 17:19:05
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	c7c6c6f99fb1d56c98def29ef1962ccf81e5b686563a118bdcea61779ac5b9dd	Authoritative identifier (100.0%)	2026-08-12 11:49:00
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	c70d92e9481fd6de4392c7da4383872272d4d431a4fe39da7291ce3402e60934	Authoritative identifier (100.0%)	2026-08-12 10:49:01
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	c172ae7cfdd157b61e33a22ef738b0f7fe5e15ab24ee32e5fcc1a96416f833e2	Authoritative identifier (100.0%)	2026-08-12 04:18:58
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	06becdc9bad93fec21ef98b6d3f38f6a87b08cef009ed99da626c08648e7d983	Authoritative identifier (100.0%)	2026-08-11 23:19:05
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	bd0af9748de87220a3a7b659865a0a7a3f47550e3309317c257e31cdb4e804e8	Authoritative identifier (100.0%)	2026-08-11 19:18:57
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	bafdd92774c9ad12067e509430e8640e0ead5ad141e9dcac9e6b47081c9ba947	Authoritative identifier (100.0%)	2026-08-11 16:48:56
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	babd411bb0d5fdb7633ea28450ab0457fffe046c6e84518fbee3a593c3f3c26c	Authoritative identifier (100.0%)	2026-08-11 16:48:54
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	b9d6a638fa53c156148c7a0c0e67dc1201ac35136c12931f9ca0db49bc2296a5	Authoritative identifier (100.0%)	2026-08-11 15:18:55
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	b97a3de8c33ba06e57ac29ab71e79226d8e7843f67dca2b1c20f03122db34d98	Authoritative identifier (100.0%)	2026-08-11 15:18:54
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	b565b50e9a239e0bb13f9f7f4197a5bf4c1cc5a17c23481f5cb0270cb03b1428	Authoritative identifier (100.0%)	2026-08-11 10:18:54
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	06621bec8a6b06cae3912b93534153416c2ecf25b8658205712db60e11c1bf27	Authoritative identifier (100.0%)	2026-08-11 08:18:59
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	b205b1dc7f3b85612b8fc32976d75feabb9782d93e11f77704dd76fd5a48cf3f	Authoritative identifier (100.0%)	2026-08-11 04:18:55
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	ab7033b259c8e116d1b5caaa90b37fcf3c3c1500c46f46707d9a346bdaafd94c	Authoritative identifier (100.0%)	2026-08-10 19:18:55
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	ab8291133ec40890839c71bb7f3b6d05b9a62277d3e93b8051dcb02351ffc2b7	Authoritative identifier (100.0%)	2026-08-10 19:18:55
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	aa85d42a75d2d96b42c45f23f5f69e523a6777318f69be04e5aff59594b2ddbd	Authoritative identifier (100.0%)	2026-08-10 17:48:55
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a80d59e50aac0c22857ee2eaffc0d00e88c47ecf58a2875c1bbd7be8e7bf2532	Authoritative identifier (100.0%)	2026-08-10 12:48:51
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a7b3ff72691caf7f2a193d64108c924be45b99a7698db2651e8d93d383fdbbe1	Authoritative identifier (100.0%)	2026-08-10 12:48:50
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a740b1bc3e72274bb1acb4666a1778c546a78c53e349a7dab409e4925bd5d62c	Authoritative identifier (100.0%)	2026-08-10 12:18:49
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a45eb3d581877c3349e4a31213c6505827320b824366eee1cdec212d472aab76	Authoritative identifier (100.0%)	2026-08-10 06:48:49
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a400ed88889c7e94445c0ef7545a04678cb644f4a0617102a69346e889657450	Authoritative identifier (100.0%)	2026-08-10 06:48:48
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a27ec2379e27cd5b879bee4b546dbbc8c7d2a6e243a646697e17e8cb9abfd49e	Authoritative identifier (100.0%)	2026-08-10 04:18:49
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a0ab917106aa6a441691fc04dc65309a04b6ec90f08e839478268ad9db686346	Authoritative identifier (100.0%)	2026-08-10 03:18:48
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a0d71ef1b697075c1e7b7131ceddd8620d9a05a98e7079936140740d5c0f507e	Authoritative identifier (100.0%)	2026-08-10 03:18:48
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	a0d516b78db16cc11e6942b1e53bdcdd36b5d8238216fbd1ddf920596a3aa64a	Authoritative identifier (100.0%)	2026-08-10 03:18:48
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	059854ac265be110d0b9abf5d9b17939eba59c520023db32e3968601c6471913	Authoritative identifier (100.0%)	2026-08-10 01:18:54
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	99ee634cbed50fb1ab7498ddeeefc8fba7f1bff1c23523d5ee7c84dc5b4d5a8e	Authoritative identifier (100.0%)	2026-08-09 08:18:49
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	98dc938c473d1aa49f9f6a9bec02216d37fe60942a140ec40ead6571ec517aca	Authoritative identifier (100.0%)	2026-08-09 05:48:50
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	924121fd7fde15d00e2e57d79d81b2b600bbab54f1bc6b3fe4e3ce0184c0aeb3	Authoritative identifier (100.0%)	2026-08-08 15:18:42
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	923df54ed518818d12225189eccb07767f10082249d748c1c66178366dca9b0f	Authoritative identifier (100.0%)	2026-08-08 15:18:41
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	8b6f4b18fafb8ed8234cdb3d2bfc6732997eb957edd46fcca3ba6bde7bff0093	Authoritative identifier (100.0%)	2026-08-08 05:48:43
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	89a4107793e20049073cf56f686ab26bd6dd0dfec1fc34c4711a07ea2a1db9c1	Authoritative identifier (100.0%)	2026-08-08 04:18:39
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	049d3a87a580ea5964efce2d373af752c31c2006ee0107f899b029a08cc19b51	Authoritative identifier (100.0%)	2026-08-08 00:48:43
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	85d9ec3419b45e326c6ae443c4d7d310a4e0cfa44816a1c743de71af499e4ff4	Authoritative identifier (100.0%)	2026-08-08 00:48:41
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	831e7ec4ecc5ea1bbd8efdec69b49c065043f06fad5de53225bf0edcc9c53fae	Authoritative identifier (100.0%)	2026-08-07 20:18:42
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	7f57af3bfbcbc367cd30e8262d87c150415e74c60fd5a9ccf3145f088084b0eb	Authoritative identifier (100.0%)	2026-08-07 11:18:39
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	7bb62a8ff35c85c8702d3b66e4e302631c4b4174c7efbd067f272532f0b6223d	Authoritative identifier (100.0%)	2026-08-07 07:48:39
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	042b9e0c938b32186b9a294d3b287ff9a30fbc6b75467eadd69ebb51b6d4e1d1	Authoritative identifier (100.0%)	2026-08-07 02:48:38
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	79e4290a61e78ba8f697d6c12f809ffa46a6e0376436ad6d129f23bd85e3734d	Authoritative identifier (100.0%)	2026-08-07 02:48:35
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	03e097af5ff385fbd31d44f913ed27ead6529bc5ebd06756ab35bbe1075482f1	Authoritative identifier (100.0%)	2026-08-06 16:18:38
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	725d046e7674feae397914b42339a8fd331da5c29f4b25ceb3c547241eccec28	Authoritative identifier (100.0%)	2026-08-06 16:18:35
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	705ff4590010d28880635a1bebd97566c86f2ae8cd9f5d2dc2353119d4324590	Authoritative identifier (100.0%)	2026-08-06 13:48:34
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	6eee593f4cfbf52deda604144de3fda5340f55ba1a4ebe5b9b40e5ef1ce72732	Authoritative identifier (100.0%)	2026-08-06 11:18:33
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	03a86910ac8d870a8b785029848bcd2db46e6bb64c160e3a503ff41806815974	Authoritative identifier (100.0%)	2026-08-06 09:18:34
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	6b5e6448ccd15f7f10c2fa79374784de49ac1a98786b4fbe0c65c9648f6f45b8	Authoritative identifier (100.0%)	2026-08-06 08:48:30
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	6627c2c0464f7382ac15fdfe12393be5881ff7037d5143bc9ed79e8ebf45143c	Authoritative identifier (100.0%)	2026-08-06 01:18:30
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	65c1284852937c481a3532283d13e2f601b60128f175108c8a9008fd4dc53d16	Authoritative identifier (100.0%)	2026-08-06 00:48:29
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	62d27134196300482dce590df9e94f56f4d2c864856005c48fd4fcab6da1b37a	Authoritative identifier (100.0%)	2026-08-05 21:18:29
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	607060ee4255269701894aedc87293c0acdef6b71425c351120d6203ddf67239	Authoritative identifier (100.0%)	2026-08-05 18:48:29
INTERSTATE POWER AND LIGHT COMPANY Telecommunication Engineer	0002595379	CORES	0002595379	Authoritative identifier (100.0%)	2026-08-05 18:18:52
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	6030f4c6e9ff6a6287580b1c38aebee02fa4f497e370b1f379cd88a18a2c37cc	Authoritative identifier (100.0%)	2026-08-05 18:18:29
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	5cece2051887c54bb4c7123747aa91af917b58f4a8f09fe0939507122550d347	Authoritative identifier (100.0%)	2026-08-05 14:48:30
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	5b7d524cc8fa9abbe2e43b160cc00661414a4c96b641715896502c94d605e18f	Authoritative identifier (100.0%)	2026-08-05 13:48:29
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	59fc0556b4b74d264aef3ac717a040d57f6e70f09deedad8f9b3a399f75118e4	Authoritative identifier (100.0%)	2026-08-05 12:18:27
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	5754648325f99299bf60f5e02a122f7064078f2ba2403e008bdd9890736787bf	Authoritative identifier (100.0%)	2026-08-05 09:48:28
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	02bd2e8cbf539ddf60b86365e64684a15d7cf36c6520152836c0e5bc5869faf2	Authoritative identifier (100.0%)	2026-08-05 06:18:31
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	50e29620a22ddbde7e743c9840937995ca08a0a2b3210b375edebb247d4122b5	Authoritative identifier (100.0%)	2026-08-05 03:48:26
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	46754183a196247b6b2229e3c719a9712fc1126efa65ab7c37df69da7f4ede56	Authoritative identifier (100.0%)	2026-08-04 12:48:24
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	3f63778331be91bcef2fbd00545697870bd23ee9c513409546afa8f67beb2a05	Authoritative identifier (100.0%)	2026-08-04 04:48:22
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	3c423fc2423266e6dae062648865e7e8e0245eb56b8679030d6549160a651e67	Authoritative identifier (100.0%)	2026-08-03 23:48:21
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	382e3f8a71a3e82ae29acfdfadeaa85904a3a1c958cfcdb880d3340ad2869187	Authoritative identifier (100.0%)	2026-08-03 18:18:22
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	3807603d10e86fb4e17b4aac0a39c510cb6e551a416024babe5e45005890824d	Authoritative identifier (100.0%)	2026-08-03 17:48:25
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	3257a53e4fee8b8a4d9bc0710aec8939805c4d2473de7c9967c62b94cd80f3ae	Authoritative identifier (100.0%)	2026-08-03 08:48:21
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	31f81d76b95f69b6a89ce57c51e9308a3fbdc5981782ce326484c09088cea64a	Authoritative identifier (100.0%)	2026-08-03 08:48:20
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	2e76668363490e364b2aa5af1bf4c121f84bb157942398be1d5635c2bfd87f4e	Authoritative identifier (100.0%)	2026-08-03 02:48:22
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	2c72d3cc6ce6f0308803d9eb055685ad5a27f5434d00b582a9f02b1913462336	Authoritative identifier (100.0%)	2026-08-02 23:18:22
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	2b3ee60943369a007fc5b4691cae486402786391c2c786d155d3f4a013fabc0b	Authoritative identifier (100.0%)	2026-08-02 22:18:20
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	2a08fe7a7a031e7c22c3a774c7f4558a408e0a6f7f135b574d0afe2524ee1a96	Authoritative identifier (100.0%)	2026-08-02 21:18:18
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	2a75d73375208dd646e8fb5dc0a2a383aac999758bd8276f08ccf7a96077b74d	Authoritative identifier (100.0%)	2026-08-02 21:18:18
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	28b63279d7c6a3a18044f7db017691541324fe56bcfa031ad39ddf9d667f1d1c	Authoritative identifier (100.0%)	2026-08-02 20:18:22
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	23711019d5bccfd0a14006c75604e7367782fc035676655dc6d946b874f161cf	Authoritative identifier (100.0%)	2026-08-02 05:18:17
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	00f504398ead437fea22df4c004879a87f487827f0425ccb57b98aa36fcbdcca	Authoritative identifier (100.0%)	2026-08-02 04:48:19
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	14ab98f5782b888417d45b0be9068df1854fa627ac06287931ce57be3d2126ab	Authoritative identifier (100.0%)	2026-08-01 14:48:16
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	0b65fae3f2f363d619b72060f975123b2016a1381ccfe56acd8e930032170e77	Authoritative identifier (100.0%)	2026-08-01 05:48:12
INTERSTATE POWER AND LIGHT COMPANY owner	0002595379	ASR	07c5470e20010f7870adaf64aa4330fab6bac3c0994a4eb8c4428928854f0b98	Authoritative identifier (100.0%)	2026-08-01 02:48:10
INTERSTATE POWER AND LIGHT COMPANY L	0002595379	ULS	001ee5f7dd878e53d6093005e6d617425f833c9dfc93590d194ed68803e875f8	Authoritative identifier (100.0%)	2026-07-31 20:48:08