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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
860-271	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	NEW LONDON	NWLNCT02DS1	00/00/0000	Prefix Type: ICO Switch Name: New London Switch Type: N/A LATA: Connecticut (920) Tandem: NWLNCT02DS1 🔧 Explore Switch(CLLI: NWLNCT02DS1))
860-271 is split into 1,000-number blocks - detail below
860-271-0XXX	CT	TELNYX LLC	0018998724	RMD0001645	073H	NEW LONDON	NOCLLIKNOWN	03/27/2017	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
860-271-1XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NEW LONDON	MDTWCTNIBMD	11/21/2003	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-271-2XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	NEW LONDON	NWLNCT02DS1	N/A	Prefix Type: ICO Switch Name: New London Switch Type: N/A LATA: Connecticut (920) Tandem: NWLNCT02DS1 🔧 Explore Switch(CLLI: NWLNCT02DS1))
860-271-3XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NEW LONDON	MDTWCTNIBMD	11/21/2003	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-271-4XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	NEW LONDON	NWLNCT02DS1	N/A	Prefix Type: ICO Switch Name: New London Switch Type: N/A LATA: Connecticut (920) Tandem: NWLNCT02DS1 🔧 Explore Switch(CLLI: NWLNCT02DS1))
860-271-5XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NEW LONDON	MDTWCTNIBMD	03/23/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-271-6XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NEW LONDON	MDTWCTNIBMD	03/23/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-271-7XXX	CT	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	0004999405	RMD0002957	7229	NEW LONDON	HRFRCTASDS0	08/30/2005	Prefix Type: CLEC Switch Name: HARTFORD Switch Type: Northern Telecom DMS100/200 Digital Host LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCTASDS0))
860-271-8XXX	CT	LEVEL 3 COMMUNICATIONS, LLC - CT (Lumen Technologies, Inc)	0015338122	RMD0006112	4800	NEW LONDON	NOCLLIKNOWN	10/29/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
860-271-9XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	NEW LONDON	MDTWCTNIBMD	07/17/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))