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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
623-273	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273 is split into 1,000-number blocks - detail below
623-273-0XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	09/10/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273-1XXX	AZ	ONVOY SPECTRUM, LLC (Sinch)	0024415002	RMD0002045	624H	PHOENIX	PHNXAZMAXQY	09/01/2021	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: PHNXAZMAXQY))
623-273-2XXX	AZ	LEVEL 3 COMMUNICATIONS, LLC - AZ (Lumen Technologies, Inc)		N/A	3285	PHOENIX	NOCLLIKNOWN	07/21/2021	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
623-273-3XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273-4XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273-5XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273-6XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273-7XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273-8XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))
623-273-9XXX	AZ	T-MOBILE USA, INC. (T-Mobile US, Inc)	0006945950	RMD0004209	6529	PHOENIX	TEMPAZNR5MD	07/01/2021	Prefix Type: PCS Switch Name: TEMPE Switch Type: N/A LATA: Phoenix AZ (666) Tandem: N/A 🔧 Explore Switch(CLLI: TEMPAZNR5MD))