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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
541-728	OR	LEVEL 3 COMMUNICATIONS, LLC - OR (Lumen Technologies, Inc)	0015338122	RMD0006112	3234	BEND	PTLGORIA7MD	04/30/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLGORIA7MD))
541-728 is split into 1,000-number blocks - detail below
541-728-0XXX	OR	LEVEL 3 COMMUNICATIONS, LLC - OR (Lumen Technologies, Inc)	0015338122	RMD0006112	3234	BEND	PTLGORIA7MD	05/03/2007	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLGORIA7MD))
541-728-1XXX	OR	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR (Verizon Wireless)	0003290673	RMD0003382	5820	BEND	PTLDORWNAMD	10/07/2008	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLDORWNAMD))
541-728-2XXX	OR	BANDWIDTH.COM CLEC, LLC - OR	0017042060	RMD0003709	076F	BEND	NOCLLIKNOWN	02/23/2010	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
541-728-3XXX	OR	BANDWIDTH.COM CLEC, LLC - OR	0017042060	RMD0003709	076F	BEND	NOCLLIKNOWN	10/30/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
541-728-4XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BEND	PTLJORIY0MD	09/08/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
541-728-5XXX	OR	ONVOY, LLC - OR (Sinch)	0004323028	RMD0001966	750E	BEND	NOCLLIKNOWN	04/08/2008	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
541-728-6XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BEND	PTLJORIY0MD	01/16/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
541-728-7XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BEND	PTLJORIY0MD	01/16/2008	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
541-728-8XXX	OR	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR (Verizon Wireless)	0003290673	RMD0003382	5820	BEND	PTLDORWNAMD	08/20/2007	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLDORWNAMD))
541-728-9XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	BEND	PTLJORIY0MD	03/21/2025	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))