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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
860-661	CT	LEVEL 3 COMMUNICATIONS, LLC - CT (Lumen Technologies, Inc)		N/A	4800	OLD SAYBRK	SMFRCTPU4MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: SMFRCTPU4MD))
860-661 is split into 1,000-number blocks - detail below
860-661-0XXX	CT	LEVEL 3 COMMUNICATIONS, LLC - CT (Lumen Technologies, Inc)		N/A	4800	OLD SAYBRK	SMFRCTPU4MD	01/13/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: SMFRCTPU4MD))
860-661-1XXX	CT	ONVOY, LLC - CT (Sinch)	0004323028	RMD0001966	639C	OLD SAYBRK	NOCLLIKNOWN	04/24/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
860-661-2XXX	CT	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT (Verizon Wireless)	0004516381	RMD0003408	6388	OLD SAYBRK	HRFRCTASBMD	01/31/2017	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCTASBMD))
860-661-3XXX	CT	PAETEC ITEL, LLC		N/A	829J	OLD SAYBRK	HRFRCT0370Z	03/09/2006	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCT0370Z))
860-661-4XXX	CT	LEVEL 3 COMMUNICATIONS, LLC - CT (Lumen Technologies, Inc)		N/A	4800	OLD SAYBRK	SMFRCTPU4MD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: SMFRCTPU4MD))
860-661-5XXX	CT	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	OLD SAYBRK	NOCLLIKNOWN	06/20/2014	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
860-661-6XXX	CT	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT (Verizon Wireless)	0004516381	RMD0003408	6388	OLD SAYBRK	HRFRCTASBMD	09/20/2017	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: HRFRCTASBMD))
860-661-7XXX	CT	ONVOY, LLC - CT (Sinch)	0004323028	RMD0001966	639C	OLD SAYBRK	NOCLLIKNOWN	07/11/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
860-661-8XXX	CT	ONVOY, LLC - CT (Sinch)	0004323028	RMD0001966	639C	OLD SAYBRK	NOCLLIKNOWN	07/11/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
860-661-9XXX	CT	TELNYX LLC	0018998724	RMD0001645	073H	OLD SAYBRK	NOCLLIKNOWN	05/23/2017	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))