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Last Updated: Thu May 7 03:59:39 2026
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| 608-399 | WI | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC (Lumen Technologies, Inc) | 0004312229 | RMD0006163 | 1159 | HOLMEN | HLMNWIXADS0 | 05/16/2001 | Prefix Type: ICO Switch Name: HOLMEN Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: HLMNWIXADS0)) |
| 608-399-0XXX | WI | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC (Lumen Technologies, Inc) | 0004312229 | RMD0006163 | 1159 | HOLMEN | HLMNWIXADS0 | N/A | Prefix Type: ICO Switch Name: HOLMEN Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: HLMNWIXADS0)) |
| 608-399-1XXX | WI | CHARTER IP ENABLED SERVICES, LLC | | N/A | 792K | HOLMEN | NOCLLIKNOWN | 11/28/2005 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 608-399-2XXX | WI | LEVEL 3 COMMUNICATIONS, LLC - WI (Lumen Technologies, Inc) | 0015338122 | RMD0006112 | 5489 | HOLMEN | NOCLLIKNOWN | 09/05/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 608-399-3XXX | WI | CHARTER IP ENABLED SERVICES, LLC | | N/A | 792K | HOLMEN | NOCLLIKNOWN | 05/01/2012 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 608-399-4XXX | WI | UNITED STATES CELLULAR - WI | | N/A | 6274 | HOLMEN | NOCLLIKNOWN | 03/01/2007 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 608-399-5XXX | WI | UNITED STATES CELLULAR - WI | | N/A | 6274 | HOLMEN | NOCLLIKNOWN | 10/23/2014 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 608-399-6XXX | WI | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 0004999405 | RMD0002957 | 7229 | HOLMEN | MDSNWI11X1X | 11/20/2013 | Prefix Type: CLEC Switch Name: MADISON Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: MDSNWI11X1X)) |
| 608-399-7XXX | WI | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 0031422439 | RMD0006976 | 508J | HOLMEN | LCRSWIXCIMD | 11/03/2014 | Prefix Type: IPES Switch Name: LA CROSSE Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: LCRSWIXCIMD)) |
| 608-399-8XXX | WI | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 0003291192 | RMD0036909 | 6534 | HOLMEN | MDSNWI11XQX | 04/28/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: MDSNWI11XQX)) |
| 608-399-9XXX | WI | NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless) | 0003291192 | RMD0036909 | 6534 | HOLMEN | MDSNWI11XQX | 04/28/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: southwestern WI (354) Tandem: N/A 🔧 Explore Switch(CLLI: MDSNWI11XQX)) |