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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
503-488	OR	LEVEL 3 TELECOM OF OREGON, LLC - OR (Lumen Technologies, Inc)	0004351573	RMD0006096	7537	PORTLAND	PTLEORXMAMD	00/00/0000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLEORXMAMD))
503-488 is split into 1,000-number blocks - detail below
503-488-0XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	05/16/2007	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-488-1XXX	OR	LEVEL 3 TELECOM OF OREGON, LLC - OR (Lumen Technologies, Inc)	0004351573	RMD0006096	7537	PORTLAND	PTLEORXMAMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLEORXMAMD))
503-488-2XXX	OR	LEVEL 3 TELECOM OF OREGON, LLC - OR (Lumen Technologies, Inc)	0004351573	RMD0006096	7537	PORTLAND	PTLEORXMAMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLEORXMAMD))
503-488-3XXX	OR	LEVEL 3 TELECOM OF OREGON, LLC - OR (Lumen Technologies, Inc)	0004351573	RMD0006096	7537	PORTLAND	PTLEORXMAMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLEORXMAMD))
503-488-4XXX	OR	LEVEL 3 TELECOM OF OREGON, LLC - OR (Lumen Technologies, Inc)	0004351573	RMD0006096	7537	PORTLAND	PTLEORXMAMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLEORXMAMD))
503-488-5XXX	OR	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	0004999405	RMD0002957	7229	PORTLAND	PTLDOR69X9X	07/13/2004	Prefix Type: CLEC Switch Name: PORTLAND Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLDOR69X9X))
503-488-6XXX	OR	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	0004999405	RMD0002957	7229	PORTLAND	PTLDOR69X9X	07/13/2004	Prefix Type: CLEC Switch Name: PORTLAND Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLDOR69X9X))
503-488-7XXX	OR	LEVEL 3 TELECOM OF OREGON, LLC - OR (Lumen Technologies, Inc)	0004351573	RMD0006096	7537	PORTLAND	PTLEORXMAMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLEORXMAMD))
503-488-8XXX	OR	LEVEL 3 TELECOM OF OREGON, LLC - OR (Lumen Technologies, Inc)	0004351573	RMD0006096	7537	PORTLAND	PTLEORXMAMD	N/A	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLEORXMAMD))
503-488-9XXX	OR	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR (Verizon Wireless)	0003290673	RMD0003382	5820	PORTLAND	PTLDORWNAMD	06/17/2014	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLDORWNAMD))