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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
503-453	OR	ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER (Verizon Communications)	0001583244	RMD0004690	4323	PORTLAND	TGRDORXACG0	00/00/0000	Prefix Type: ICO Switch Name: TIGARD Switch Type: GTD5EAX LATA: Portland OR (672) Tandem: BVTNORXB03T 🔧 Explore Switch(CLLI: TGRDORXACG0))
503-453 is split into 1,000-number blocks - detail below
503-453-0XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	03/23/2004	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-453-1XXX	OR	ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER (Verizon Communications)	0001583244	RMD0004690	4323	PORTLAND	TGRDORXACG0	N/A	Prefix Type: ICO Switch Name: TIGARD Switch Type: GTD5EAX LATA: Portland OR (672) Tandem: BVTNORXB03T 🔧 Explore Switch(CLLI: TGRDORXACG0))
503-453-2XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	11/07/2002	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-453-3XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	11/07/2002	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-453-4XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	02/25/2004	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-453-5XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	11/07/2002	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-453-6XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	11/07/2002	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-453-7XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	11/07/2002	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))
503-453-8XXX	OR	ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM		N/A	7172	PORTLAND	NOCLLIKNOWN	01/26/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
503-453-9XXX	OR	T-MOBILE USA, INC. (T-Mobile US, Inc)	0017078262	RMD0019051	6529	PORTLAND	PTLJORIY0MD	11/07/2002	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Portland OR (672) Tandem: N/A 🔧 Explore Switch(CLLI: PTLJORIY0MD))