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
203-424	CT	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DARIEN	BLFDCTAP2MD	06/29/2007	Prefix Type: PCS Switch Name: BLOOMFIELD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: BLFDCTAP2MD))
203-424 is split into 1,000-number blocks - detail below
203-424-0XXX	CT	BANDWIDTH.COM CLEC, LLC - CT	0017042060	RMD0003709	199F	DARIEN	NOCLLIKNOWN	10/30/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
203-424-1XXX	CT	BANDWIDTH.COM CLEC, LLC - CT	0017042060	RMD0003709	199F	DARIEN	NOCLLIKNOWN	01/27/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
203-424-2XXX	CT	PEERLESS NETWORK OF CONNECTICUT, LLC - CT		N/A	539F	DARIEN	NOCLLIKNOWN	04/05/2013	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
203-424-3XXX	CT	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DARIEN	BLFDCTAP2MD	03/14/2011	Prefix Type: PCS Switch Name: BLOOMFIELD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: BLFDCTAP2MD))
203-424-4XXX	CT	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DARIEN	BLFDCTAP2MD	03/14/2011	Prefix Type: PCS Switch Name: BLOOMFIELD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: BLFDCTAP2MD))
203-424-5XXX	CT	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT		N/A	9147	DARIEN	NWHNCT02GT0	08/10/2007	Prefix Type: ICO Switch Name: NEW HAVEN Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NWHNCT02GT0))
203-424-6XXX	CT	OMNIPOINT COMMUNICATIONS, INC. - CT (T-Mobile US, Inc)		N/A	6624	DARIEN	NOCLLIKNOWN	03/14/2011	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
203-424-7XXX	CT	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DARIEN	BLFDCTAP2MD	09/04/2007	Prefix Type: PCS Switch Name: BLOOMFIELD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: BLFDCTAP2MD))
203-424-8XXX	CT	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DARIEN	BLFDCTAP2MD	09/04/2007	Prefix Type: PCS Switch Name: BLOOMFIELD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: BLFDCTAP2MD))
203-424-9XXX	CT	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	DARIEN	BLFDCTAP2MD	09/04/2007	Prefix Type: PCS Switch Name: BLOOMFIELD Switch Type: N/A LATA: Connecticut (920) Tandem: N/A 🔧 Explore Switch(CLLI: BLFDCTAP2MD))