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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
231-256MIMICHIGAN BELL TEL CO (AT&T)9323LKLEELANAULKLLMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: LAKE LEELANAU
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
Thousands block for 231-256
231-256-0MIMICHIGAN BELL TEL CO (AT&T)9323LKLEELANAULKLLMIMNRSAN/APrefix Type: RBOC
Switch Name: LAKE LEELANAU
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-256-1MILEVEL 3 COMMUNICATIONS, LLC - MI (CenturyLink, Inc)6120LKLEELANAUNOCLLIKNOWN10/14/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-256-2MIMICHIGAN BELL TEL CO (AT&T)9323LKLEELANAULKLLMIMNRSAN/APrefix Type: RBOC
Switch Name: LAKE LEELANAU
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-256-3MILONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI (Windstream Communications)0975LKLEELANAUNOCLLIKNOWN12/30/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-256-4MICLEAR RATE COMMUNICATIONS, INC. - MI (Clear Rate Communications)279BLKLEELANAUNOCLLIKNOWN02/22/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-256-5MITELEPORT COMMUNICATIONS AMERICA, LLC - MI (AT&T)770ELKLEELANAUNOCLLIKNOWN07/11/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-256-6MICENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JLKLEELANAUTRCYMIMNWMD08/12/2015Prefix Type: IPES
Switch Name: HARBOR SPG
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-256-7MIMICHIGAN BELL TEL CO (AT&T)9323LKLEELANAULKLLMIMNRSAN/APrefix Type: RBOC
Switch Name: LAKE LEELANAU
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-256-8MIMICHIGAN BELL TEL CO (AT&T)9323LKLEELANAULKLLMIMNRSAN/APrefix Type: RBOC
Switch Name: LAKE LEELANAU
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-256-9MIMICHIGAN BELL TEL CO (AT&T)9323LKLEELANAULKLLMIMNRSAN/APrefix Type: RBOC
Switch Name: LAKE LEELANAU
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
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