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npa-nxx	State/Province	Company	FRN	RMD	OCN	Rate Center	CLLI	Assign Date	Misc
603-636	NH	CONSOLIDATED COMM OF NO. NEW ENGLAND-NH (FAIRPOINT COMMUNICATIONS SOLUTIONS CORP. - AR)		N/A	5113	GROVETON	GVTNNHSTRS1	00/00/0000	Prefix Type: RBOC Switch Name: GROVETON Switch Type: WECO 5ESS Remote (5A RSM) LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: GVTNNHSTRS1)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636 is split into 1,000-number blocks - detail below
603-636-0XXX	NH	TERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)	0021193057	RMD0001495	145J	GROVETON	NOCLLIKNOWN	05/23/2023	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636-1XXX	NH	CONSOLIDATED COMM OF NO. NEW ENGLAND-NH (FAIRPOINT COMMUNICATIONS SOLUTIONS CORP. - AR)		N/A	5113	GROVETON	GVTNNHSTRS1	N/A	Prefix Type: RBOC Switch Name: GROVETON Switch Type: WECO 5ESS Remote (5A RSM) LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: GVTNNHSTRS1)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636-2XXX	NH	CONSOLIDATED COMM OF NO. NEW ENGLAND-NH (FAIRPOINT COMMUNICATIONS SOLUTIONS CORP. - AR)		N/A	5113	GROVETON	GVTNNHSTRS1	N/A	Prefix Type: RBOC Switch Name: GROVETON Switch Type: WECO 5ESS Remote (5A RSM) LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: GVTNNHSTRS1)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636-5XXX	NH	TWC IP ENABLED SERVICES, LLC		N/A	793K	GROVETON	NOCLLIKNOWN	07/30/2012	Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636-6XXX	NH	CONSOLIDATED COMM OF NO. NEW ENGLAND-NH (FAIRPOINT COMMUNICATIONS SOLUTIONS CORP. - AR)		N/A	5113	GROVETON	GVTNNHSTRS1	N/A	Prefix Type: RBOC Switch Name: GROVETON Switch Type: WECO 5ESS Remote (5A RSM) LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: GVTNNHSTRS1)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636-7XXX	NH	LEVEL 3 COMMUNICATIONS, LLC - NH (Lumen Technologies, Inc)	0015338122	RMD0006112	4017	GROVETON	NOCLLIKNOWN	08/09/2004	Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636-8XXX	NH	NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T)	0003291192	RMD0036909	4036	GROVETON	NOCLLIKNOWN	02/21/2019	Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) 🕘 Prefix History 🔎 Explore Carrier Information
603-636-9XXX	NH	CONSOLIDATED COMM OF NO. NEW ENGLAND-NH (FAIRPOINT COMMUNICATIONS SOLUTIONS CORP. - AR)		N/A	5113	GROVETON	GVTNNHSTRS1	N/A	Prefix Type: RBOC Switch Name: GROVETON Switch Type: WECO 5ESS Remote (5A RSM) LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: GVTNNHSTRS1)) 🕘 Prefix History 🔎 Explore Carrier Information