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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
585-899	NY	FRONTIER TELEPHONE OF ROCHESTER, INC. (Frontier Communications)		N/A	0121	EROCHESTER	ERCHNYXADS0	00/00/0000	Prefix Type: ICO Switch Name: EAST ROCHESTER Switch Type: WECO 5ESS Host (Digital) LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: ERCHNYXADS0))
585-899 is split into 1,000-number blocks - detail below
585-899-0XXX	NY	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	EROCHESTER	NOCLLIKNOWN	05/07/2003	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
585-899-1XXX	NY	FRONTIER TELEPHONE OF ROCHESTER, INC. (Frontier Communications)		N/A	0121	EROCHESTER	ERCHNYXADS0	10/09/2002	Prefix Type: ICO Switch Name: EAST ROCHESTER Switch Type: WECO 5ESS Host (Digital) LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: ERCHNYXADS0))
585-899-2XXX	NY	TC SYSTEMS, INC. - NY		N/A	7140	EROCHESTER	NOCLLIKNOWN	10/13/2000	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
585-899-3XXX	NY	FRONTIER TELEPHONE OF ROCHESTER, INC. (Frontier Communications)		N/A	0121	EROCHESTER	ERCHNYXADS0	12/13/2001	Prefix Type: ICO Switch Name: EAST ROCHESTER Switch Type: WECO 5ESS Host (Digital) LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: ERCHNYXADS0))
585-899-4XXX	NY	FRONTIER TELEPHONE OF ROCHESTER, INC. (Frontier Communications)		N/A	0121	EROCHESTER	ERCHNYXADS0	N/A	Prefix Type: ICO Switch Name: EAST ROCHESTER Switch Type: WECO 5ESS Host (Digital) LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: ERCHNYXADS0))
585-899-5XXX	NY	LEVEL 3 TELECOM OF NEW YORK, LP - NY (Lumen Technologies, Inc)	0004351425	RMD0006089	8473	EROCHESTER	NOCLLIKNOWN	10/15/2002	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))
585-899-6XXX	NY	FRONTIER TELEPHONE OF ROCHESTER, INC. (Frontier Communications)		N/A	0121	EROCHESTER	ERCHNYXADS0	N/A	Prefix Type: ICO Switch Name: EAST ROCHESTER Switch Type: WECO 5ESS Host (Digital) LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: ERCHNYXADS0))
585-899-7XXX	NY	PAETEC ITEL, LLC	0015247810	RMD0038378	829J	EROCHESTER	ROCHNY011MD	02/14/2002	Prefix Type: IPES Switch Name: ROCHESTER Switch Type: N/A LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: ROCHNY011MD))
585-899-8XXX	NY	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY (Verizon Communications)	0004999405	RMD0002957	7133	EROCHESTER	ROCHNYCT0MD	02/07/2003	Prefix Type: CLEC Switch Name: ROCHESTER Switch Type: N/A LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: ROCHNYCT0MD))
585-899-9XXX	NY	METROPCS, INC. (T-Mobile US, Inc)		N/A	5562	EROCHESTER	NOCLLIKNOWN	05/07/2003	Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: Rochester NY (974) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN))