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
406-530	MT	LEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)		N/A	9415	LAUREL	BLNGMTWE6MD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWE6MD))
406-530 is split into 1,000-number blocks - detail below
406-530-0XXX	MT	COMMIO, LLC	0028135630	RMD0005575	939H	LAUREL	NOCLLIKNOWN	06/29/2022	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-530-1XXX	MT	ONVOY, LLC - MT (Sinch)	0004323028	RMD0001966	453F	LAUREL	NOCLLIKNOWN	09/21/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-530-2XXX	MT	LEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)		N/A	9415	LAUREL	BLNGMTWE6MD	12/07/2006	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWE6MD))
406-530-3XXX	MT	MONTANA OPTICOM, LLC - MT	0014363329	RMD0004622	746D	LAUREL	NOCLLIKNOWN	07/19/2010	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-530-4XXX	MT	NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)	0003291192	RMD0036909	6010	LAUREL	BLNGMTMAMMD	10/07/2010	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTMAMMD))
406-530-5XXX	MT	BANDWIDTH.COM CLEC, LLC - MT	0017042060	RMD0003709	994E	LAUREL	NOCLLIKNOWN	05/06/2015	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-530-6XXX	MT	LEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)		N/A	9415	LAUREL	BLNGMTWE6MD	05/01/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWE6MD))
406-530-7XXX	MT	BANDWIDTH.COM CLEC, LLC - MT	0017042060	RMD0003709	994E	LAUREL	NOCLLIKNOWN	07/13/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-530-8XXX	MT	BANDWIDTH.COM CLEC, LLC - MT	0017042060	RMD0003709	994E	LAUREL	NOCLLIKNOWN	07/13/2011	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-530-9XXX	MT	BANDWIDTH.COM CLEC, LLC - MT	0017042060	RMD0003709	994E	LAUREL	NOCLLIKNOWN	10/29/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))