TelcoData.US: Search by Area Code / Exchange

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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
810-250	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	00/00/0000	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250 is split into 1,000-number blocks - detail below
810-250-0XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250-1XXX	MI	OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (T-Mobile US, Inc)	0006945950	RMD0004209	2964	FLINT	LIVNMIUX3MD	09/23/2005	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIUX3MD))
810-250-2XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250-3XXX	MI	OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (T-Mobile US, Inc)	0006945950	RMD0004209	2964	FLINT	LIVNMIUX3MD	05/18/2007	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIUX3MD))
810-250-4XXX	MI	LEVEL 3 COMMUNICATIONS, LLC - MI (Lumen Technologies, Inc)	0015338122	RMD0006112	6120	FLINT	NOCLLIKNOWN	04/06/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
810-250-5XXX	MI	GRID 4 COMMUNICATIONS, INC. - MI	0007782840	RMD0002228	9714	FLINT	NOCLLIKNOWN	08/07/2006	Prefix Type: ULEC Switch Name: N/A Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
810-250-6XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))
810-250-7XXX	MI	LEVEL 3 COMMUNICATIONS, LLC - MI (Lumen Technologies, Inc)	0015338122	RMD0006112	6120	FLINT	NOCLLIKNOWN	08/25/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
810-250-8XXX	MI	OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (T-Mobile US, Inc)	0006945950	RMD0004209	2964	FLINT	LIVNMIUX3MD	10/10/2005	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Detroit MI (340) Tandem: N/A 🔧 Explore Switch(CLLI: LIVNMIUX3MD))
810-250-9XXX	MI	MICHIGAN BELL TEL CO (AT&T)		N/A	9323	FLINT	FLNTMINEDS0	N/A	Prefix Type: RBOC Switch Name: FLINT NE DS0 Switch Type: EWSD LATA: Detroit MI (340) Tandem: TROYMIMN55T 🔧 Explore Switch(CLLI: FLNTMINEDS0))