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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
661-705	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	08/09/2002	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705 is split into 1,000-number blocks - detail below
661-705-0XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-1XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-2XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-3XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-4XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-5XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-6XXX	CA	CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)	0031422439	RMD0006976	508J	SNCA NHCS	LSANCAJW2MD	01/29/2013	Prefix Type: IPES Switch Name: LOS ANGELES Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: LSANCAJW2MD))
661-705-7XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-8XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))
661-705-9XXX	CA	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	0003733813	RMD0003303	671J	SNCA NHCS	IRVNCASM1MD	N/A	Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: Los Angeles CA (730) Tandem: N/A 🔧 Explore Switch(CLLI: IRVNCASM1MD))