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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
231-386MIMICHIGAN BELL TEL CO (AT&T)9323NORTHPORTNPRTMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: NORTHPORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
Thousands block for 231-386
231-386-0MIPEERLESS NETWORK OF MICHIGAN, LLC - MI933GNORTHPORTNOCLLIKNOWN11/30/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-386-1MICHARTER FIBERLINK - MICHIGAN, LLC - MI (Charter)351DNORTHPORTNOCLLIKNOWN01/23/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-386-2MINEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534NORTHPORTWYNGMIKAGT211/08/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-386-3MIAT&T CORP. (AT&T)516CNORTHPORTNOCLLIKNOWN10/10/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-386-4MIONVOY, LLCV - MI (Inteliquent)543CNORTHPORTNOCLLIKNOWN05/19/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-386-5MIMICHIGAN BELL TEL CO (AT&T)9323NORTHPORTNPRTMIMNRSAN/APrefix Type: RBOC
Switch Name: NORTHPORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-386-6MIONVOY, LLCV - MI (Inteliquent)543CNORTHPORTNOCLLIKNOWN02/20/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-386-7MIMICHIGAN BELL TEL CO (AT&T)9323NORTHPORTNPRTMIMNRSAN/APrefix Type: RBOC
Switch Name: NORTHPORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-386-8MICENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JNORTHPORTTRCYMIMNWMD08/17/2015Prefix Type: IPES
Switch Name: HARBOR SPG
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: N/A
Detailed Switch Info
231-386-9MIMICHIGAN BELL TEL CO (AT&T)9323NORTHPORTNPRTMIMNRSAN/APrefix Type: RBOC
Switch Name: NORTHPORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
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