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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
334-424	AL	NEW CINGULAR WIRELESS PCS, LLC - GA (AT&T Wireless)	0003291192	RMD0036909	6214	HOLTVILLE	MTGMALIR7MD	01/19/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMALIR7MD))
334-424 is split into 1,000-number blocks - detail below
334-424-0XXX	AL	NEW CINGULAR WIRELESS PCS, LLC - GA (AT&T Wireless)	0003291192	RMD0036909	6214	HOLTVILLE	MTGMALIR7MD	01/23/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMALIR7MD))
334-424-1XXX	AL	LEVEL 3 COMMUNICATIONS, LLC - AL (Lumen Technologies, Inc)	0015338122	RMD0006112	5255	HOLTVILLE	NOCLLIKNOWN	10/15/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
334-424-2XXX	AL	NEW CINGULAR WIRELESS PCS, LLC - GA (AT&T Wireless)	0003291192	RMD0036909	6214	HOLTVILLE	MTGMALIR7MD	01/12/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMALIR7MD))
334-424-3XXX	AL	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	0004999405	RMD0002957	7229	HOLTVILLE	MTGMAL100MD	09/19/2005	Prefix Type: CLEC Switch Name: MONTGOMERY Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMAL100MD))
334-424-4XXX	AL	NEW CINGULAR WIRELESS PCS, LLC - GA (AT&T Wireless)	0003291192	RMD0036909	6214	HOLTVILLE	MTGMALIR7MD	05/26/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMALIR7MD))
334-424-5XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	HOLTVILLE	MTGMAL13X4X	05/21/2013	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMAL13X4X))
334-424-6XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	HOLTVILLE	MTGMAL13X4X	05/21/2013	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMAL13X4X))
334-424-7XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	HOLTVILLE	MTGMAL13X4X	05/21/2013	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMAL13X4X))
334-424-8XXX	AL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	HOLTVILLE	MTGMAL13X4X	05/21/2013	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMAL13X4X))
334-424-9XXX	AL	NEW CINGULAR WIRELESS PCS, LLC - GA (AT&T Wireless)	0003291192	RMD0036909	6214	HOLTVILLE	MTGMALIR7MD	01/23/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Montgomery AL (478) Tandem: N/A 🔧 Explore Switch(CLLI: MTGMALIR7MD))