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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
860-304	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	00/00/0000	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304 is split into 1,000-number blocks - detail below
860-304-0XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-1XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-2XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-3XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-4XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-5XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-6XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-7XXX	CT	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)	0003291192	RMD0036909	4036	OLD SAYBRK	MDTWCTNIBMD	N/A	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: MDTWCTNIBMD))
860-304-8XXX	CT	OMNIPOINT COMMUNICATIONS, INC. - CT (T-Mobile US, Inc)		N/A	6624	OLD SAYBRK	NRTNMAAACM6	06/25/2004	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NRTNMAAACM6))
860-304-9XXX	CT	OMNIPOINT COMMUNICATIONS, INC. - CT (T-Mobile US, Inc)		N/A	6624	OLD SAYBRK	NRTNMAAACM6	11/14/2002	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NRTNMAAACM6))