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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
224-944	IL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	WAUKEGAN	CHCGILMF5MD	07/13/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMF5MD))
224-944 is split into 1,000-number blocks - detail below
224-944-0XXX	IL	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	WAUKEGAN	CHCGILNEXJX	08/10/2006	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILNEXJX))
224-944-1XXX	IL	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	WAUKEGAN	SCBGILRRGT1	12/14/2007	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: SCBGILRRGT1))
224-944-2XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	WAUKEGAN	CHCGILMF8MD	07/12/2007	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMF8MD))
224-944-3XXX	IL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	WAUKEGAN	CHCGILMF5MD	07/12/2007	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMF5MD))
224-944-4XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	WAUKEGAN	CHCGILMF8MD	07/12/2007	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMF8MD))
224-944-5XXX	IL	LEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)	0015338122	RMD0006112	6115	WAUKEGAN	NOCLLIKNOWN	09/05/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
224-944-6XXX	IL	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	WAUKEGAN	SCBGILRRGT1	09/15/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: SCBGILRRGT1))
224-944-7XXX	IL	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	WAUKEGAN	SCBGILRRGT1	09/15/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: SCBGILRRGT1))
224-944-8XXX	IL	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	WAUKEGAN	CHCGILMF5MD	07/17/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMF5MD))
224-944-9XXX	IL	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	WAUKEGAN	CHCGILMF8MD	07/17/2006	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A 🔧 Explore Switch(CLLI: CHCGILMF8MD))