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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
413-241	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	SPRINGFLD	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))
413-241 is split into 1,000-number blocks - detail below
413-241-0XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	SPRINGFLD	SPFDMAWOCMD	08/04/2009	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAWOCMD))
413-241-1XXX	MA	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	SPRINGFLD	SPFDMAWOCMD	08/04/2009	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAWOCMD))
413-241-2XXX	MA	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications)	0004999405	RMD0002957	7103	SPRINGFLD	SPFDMAATDS2	N/A	Prefix Type: CLEC Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAATDS2))
413-241-3XXX	MA	LEVEL 3 COMMUNICATIONS, LLC - MA (Lumen Technologies, Inc)		N/A	4018	SPRINGFLD	NOCLLIKNOWN	07/01/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-241-4XXX	MA	OMNIPOINT MIAMI E LICENSE, LLC (T-Mobile US, Inc)		N/A	6889	SPRINGFLD	SPFDMAXL4MD	09/25/2006	Prefix Type: PCS Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAXL4MD))
413-241-5XXX	MA	LEVEL 3 COMMUNICATIONS, LLC - MA (Lumen Technologies, Inc)		N/A	4018	SPRINGFLD	NOCLLIKNOWN	01/10/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-241-6XXX	MA	LEVEL 3 COMMUNICATIONS, LLC - MA (Lumen Technologies, Inc)		N/A	4018	SPRINGFLD	NOCLLIKNOWN	08/24/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-241-7XXX	MA	LEVEL 3 COMMUNICATIONS, LLC - MA (Lumen Technologies, Inc)		N/A	4018	SPRINGFLD	NOCLLIKNOWN	08/24/2005	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-241-8XXX	MA	LEVEL 3 COMMUNICATIONS, LLC - MA (Lumen Technologies, Inc)		N/A	4018	SPRINGFLD	NOCLLIKNOWN	08/10/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
413-241-9XXX	MA	OMNIPOINT MIAMI E LICENSE, LLC (T-Mobile US, Inc)		N/A	6889	SPRINGFLD	SPFDMAXL4MD	03/03/2010	Prefix Type: PCS Switch Name: SPRINGFIELD Switch Type: N/A LATA: western MA (126) Tandem: N/A 🔧 Explore Switch(CLLI: SPFDMAXL4MD))