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Last Updated: Sat Jun 13 03:58:00 2026
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| 603-464 | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | 00/00/0000 | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-0XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-1XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-2XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-3XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-4XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-5XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-6XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-7XXX | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY | | N/A | 3320 | HILLSBORO | HLBONHXARP0 | N/A | Prefix Type: ICO Switch Name: HILLSBORO Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: HLBONHXARP0)) |
| 603-464-9XXX | NH | UNITED STATES CELLULAR - NH | | N/A | 6290 | HILLSBORO | NOCLLIKNOWN | 07/15/2004 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680 | NH | FIDIUM ENTERPRISE SERVICES, LLC | 0008301434 | RMD0004228 | 631H | HILLSBORO | MNCHNHCOPS1 | 00/00/0000 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: MNCHNHCOPS1)) |
| 603-680-0XXX | NH | UNITED STATES CELLULAR - NH | | N/A | 6290 | HILLSBORO | NOCLLIKNOWN | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680-1XXX | NH | UNITED STATES CELLULAR - NH | | N/A | 6290 | HILLSBORO | NOCLLIKNOWN | N/A | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680-3XXX | NH | FIDIUM ENTERPRISE SERVICES, LLC | 0008301434 | RMD0004228 | 631H | HILLSBORO | MNCHNHCOPS1 | 07/12/2016 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: MNCHNHCOPS1)) |
| 603-680-4XXX | NH | COMCAST IP PHONE, LLC (Comcast) | 0008497687 | RMD0003552 | 318J | HILLSBORO | NOCLLIKNOWN | 11/19/2009 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680-5XXX | NH | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 0003291192 | RMD0036909 | 4036 | HILLSBORO | NOCLLIKNOWN | 11/13/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680-6XXX | NH | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 0003291192 | RMD0036909 | 4036 | HILLSBORO | NOCLLIKNOWN | 11/13/2019 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680-7XXX | NH | NEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless) | 0003291192 | RMD0036909 | 4036 | HILLSBORO | NOCLLIKNOWN | 06/20/2024 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680-8XXX | NH | TELEPORT COMMUNICATIONS AMERICA, LLC - NH (AT&T) | 0004274114 | RMD0003897 | 8299 | HILLSBORO | NOCLLIKNOWN | 09/25/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 603-680-9XXX | NH | UNITED STATES CELLULAR - NH | | N/A | 6290 | HILLSBORO | NOCLLIKNOWN | 05/03/2016 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: New Hampshire (122) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |