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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
501-306	AR	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	QUITMAN	LTRKAR10G01	11/18/2009	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: LTRKAR10G01))
501-306 is split into 1,000-number blocks - detail below
501-306-0XXX	AR	BANDWIDTH.COM CLEC, LLC - AR	0017042060	RMD0003709	196F	QUITMAN	NOCLLIKNOWN	01/17/2020	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
501-306-1XXX	AR	WINDSTREAM ARKANSAS, INC. (Windstream)	0006580518	RMD0038399	1691	QUITMAN	QTMNARXARP0	12/16/2011	Prefix Type: ICO Switch Name: QUITMAN Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: QTMNARXARP0))
501-306-2XXX	AR	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	QUITMAN	LTRKAR10G01	04/01/2020	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: LTRKAR10G01))
501-306-3XXX	AR	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	QUITMAN	LTRKAR10G01	04/01/2020	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: LTRKAR10G01))
501-306-4XXX	AR	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	QUITMAN	LTRKAR10G01	04/01/2020	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: LTRKAR10G01))
501-306-5XXX	AR	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	QUITMAN	LTRKAR10G01	09/27/2018	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: LTRKAR10G01))
501-306-6XXX	AR	TELEPORT COMMUNICATIONS AMERICA, LLC - AR (AT&T)	0004274114	RMD0003897	802C	QUITMAN	NOCLLIKNOWN	04/14/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
501-306-7XXX	AR	CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)	0031422439	RMD0006976	508J	QUITMAN	NOCLLIKNOWN	12/17/2014	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
501-306-8XXX	AR	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	QUITMAN	LTRKAR10G01	08/06/2014	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: LTRKAR10G01))
501-306-9XXX	AR	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	QUITMAN	LTRKAR10G01	11/20/2009	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Little Rock AR (528) Tandem: N/A 🔧 Explore Switch(CLLI: LTRKAR10G01))