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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
413-887	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	HOLYOKE	SPFDMAATDS2	00/00/0000	Prefix Type: CLEC Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATDS2))
413-887 is split into 1,000-number blocks - detail below
413-887-0XXX	MA	ONVOY, LLC - MA (Sinch)	0004323028	RMD0001966	892D	HOLYOKE	NOCLLIKNOWN	04/11/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-887-1XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Wireless)	0003290673	RMD0003382	6387	HOLYOKE	SPFDMAATAMD	08/08/2007	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATAMD))
413-887-2XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Wireless)	0003290673	RMD0003382	6387	HOLYOKE	SPFDMAATAMD	04/05/2013	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATAMD))
413-887-3XXX	MA	ONVOY, LLC - MA (Sinch)	0004323028	RMD0001966	892D	HOLYOKE	NOCLLIKNOWN	02/06/2012	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-887-4XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Wireless)	0003290673	RMD0003382	6387	HOLYOKE	SPFDMAATAMD	09/05/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATAMD))
413-887-5XXX	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	HOLYOKE	SPFDMAATDS2	01/10/2012	Prefix Type: CLEC Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATDS2))
413-887-6XXX	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	HOLYOKE	SPFDMAATDS2	N/A	Prefix Type: CLEC Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATDS2))
413-887-7XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Wireless)	0003290673	RMD0003382	6387	HOLYOKE	SPFDMAATAMD	11/07/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATAMD))
413-887-8XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Wireless)	0003290673	RMD0003382	6387	HOLYOKE	SPFDMAATAMD	08/24/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATAMD))
413-887-9XXX	MA	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA (Verizon Wireless)	0003290673	RMD0003382	6387	HOLYOKE	SPFDMAATAMD	01/04/2007	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATAMD))