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
740-275	OH	PAETEC ITEL, LLC	0015247810	RMD0038378	829J	STEUBENVL	CLMDOH44VMD	00/00/0000	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: CLMDOH44VMD))
740-275 is split into 1,000-number blocks - detail below
740-275-0XXX	OH	AERIAL COMMUNICATIONS, INC. (T-Mobile)		N/A	6701	STEUBENVL	CLMFOHJU3MD	04/15/2021	Prefix Type: PCS Switch Name: COLUMBUS Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: CLMFOHJU3MD))
740-275-1XXX	OH	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	STEUBENVL	WOTNOH88XVX	08/18/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: WOTNOH88XVX))
740-275-2XXX	OH	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	STEUBENVL	WOTNOH88XVX	10/07/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: WOTNOH88XVX))
740-275-3XXX	OH	AT&T - LOCAL (AT&T)		N/A	7421	STEUBENVL	NOCLLIKNOWN	03/26/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
740-275-4XXX	OH	COMCAST IP PHONE, LLC (Comcast)	0008497687	RMD0003552	318J	STEUBENVL	NOCLLIKNOWN	04/01/2005	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
740-275-5XXX	OH	PAETEC ITEL, LLC	0015247810	RMD0038378	829J	STEUBENVL	CLMDOH44VMD	02/17/2004	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: CLMDOH44VMD))
740-275-6XXX	OH	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	STEUBENVL	WOTNOH88XVX	10/19/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: WOTNOH88XVX))
740-275-7XXX	OH	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	STEUBENVL	WOTNOH88XVX	06/23/2006	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: WOTNOH88XVX))
740-275-8XXX	OH	NEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)	0003291192	RMD0036909	6534	STEUBENVL	WOTNOH88XVX	12/17/2004	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: WOTNOH88XVX))
740-275-9XXX	OH	AERIAL COMMUNICATIONS, INC. (T-Mobile)		N/A	6701	STEUBENVL	CLMFOHJU3MD	04/15/2021	Prefix Type: PCS Switch Name: COLUMBUS Switch Type: N/A LATA: Columbus OH (324) Tandem: N/A 🔧 Explore Switch(CLLI: CLMFOHJU3MD))