Input a CLLI:

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npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
956-228TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS007/10/2001Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-291TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-291 is split into 1,000-number blocks - detail below
956-291-1XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-291-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-291-8XXXTXBANDWIDTH.COM CLEC, LLC - TX0017042060RMD0003709004FHARLINGENHRLNTXHGDS006/11/2026Prefix Type: CLEC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-291-9XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364 is split into 1,000-number blocks - detail below
956-364-0XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-1XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-2XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-3XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-4XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-6XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-7XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-364-8XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365 is split into 1,000-number blocks - detail below
956-365-0XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365-1XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365-3XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365-4XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365-6XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365-7XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-365-8XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366 is split into 1,000-number blocks - detail below
956-366-1XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366-2XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366-3XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366-4XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366-6XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366-7XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-366-8XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389 is split into 1,000-number blocks - detail below
956-389-1XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389-2XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389-3XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389-4XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389-6XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389-7XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-389-8XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-392TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-392 is split into 1,000-number blocks - detail below
956-392-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-392-6XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-392-7XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-412TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-421TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-423TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-425TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-427TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-428TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-430TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440 is split into 1,000-number blocks - detail below
956-440-0XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-1XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-2XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-3XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-4XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-6XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-7XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-8XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-440-9XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-444TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-444 is split into 1,000-number blocks - detail below
956-444-0XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-444-1XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-444-3XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-444-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-444-7XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-577TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS002/05/2002Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-577 is split into 1,000-number blocks - detail below
956-577-0XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS003/08/2016Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-610TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS005/24/2001Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-730TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-730 is split into 1,000-number blocks - detail below
956-730-5XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-752TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-752 is split into 1,000-number blocks - detail below
956-752-0XXXTXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS0N/APrefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
956-760TXSOUTHWESTERN BELLN/A9533HARLINGENHRLNTXHGDS000/00/0000Prefix Type: RBOC
Switch Name: Harlingen
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Brownsville TX (568)
Tandem: HRLNTXHG03T
🔧 Explore Switch(CLLI: HRLNTXHGDS0))
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