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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
641-666	IA	ONVOY, LLC - IA (Sinch)	0004323028	RMD0001966	221F	OSAGE	DESMIADTFMD	12/06/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: DESMIADTFMD)) 🕘 Prefix History 🔎 Explore Carrier Information
641-666 is split into 1,000-number blocks - detail below
641-666-0XXX	IA	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	OSAGE	NOCLLIKNOWN	03/02/2018	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information 📡 Find related FCC/ISED radio licenses
641-666-2XXX	IA	BANDWIDTH.COM CLEC, LLC - IA (Bandwidth Inc.)	0017042060	RMD0003709	985E	OSAGE	NOCLLIKNOWN	05/10/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
641-666-3XXX	IA	ONVOY, LLC - IA (Sinch)	0004323028	RMD0001966	221F	OSAGE	DESMIADTFMD	08/23/2019	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: DESMIADTFMD)) 🕘 Prefix History 🔎 Explore Carrier Information
641-666-4XXX	IA	INTEGRATED PATH COMMUNCATIONS, LLC - IA	N/A	N/A	544H	OSAGE	NOCLLIKNOWN	05/03/2018	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
641-666-5XXX	IA	METROPCS, INC. (T-Mobile US, Inc)	N/A	N/A	5562	OSAGE	NOCLLIKNOWN	06/18/2018	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information 📡 Find related FCC/ISED radio licenses
641-666-6XXX	IA	ONVOY, LLC - IA (Sinch)	0004323028	RMD0001966	221F	OSAGE	DESMIADTFMD	12/06/2017	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: DESMIADTFMD)) 🕘 Prefix History 🔎 Explore Carrier Information
641-666-7XXX	IA	CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)	0031422439	RMD0006976	508J	OSAGE	DESMIADTXJX	12/14/2017	Prefix Type: IPES Switch Name: DES MOINES Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: DESMIADTXJX)) 🕘 Prefix History 🔎 Explore Carrier Information
641-666-8XXX	IA	TERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)	0021193057	RMD0001495	145J	OSAGE	NOCLLIKNOWN	01/17/2024	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Des Moines IA (632) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information