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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
281-556TXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS000/00/0000Prefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556 is split into 1,000-number blocks - detail below
281-556-0XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556-1XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556-2XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556-3XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534HSTNSUBURBHSTNTX01GT512/10/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTX01GT5))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
281-556-4XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556-5XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556-6XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556-7XXXTXONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HHSTNSUBURBHSTNTXMOX6X09/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXMOX6X))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
281-556-8XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-556-9XXXTXSOUTHWESTERN BELLN/AN/A9533HSTNSUBURBHSTNTXBUDS0N/APrefix Type: RBOC
Switch Name: HOUSTON BUFFALO
Switch Type: WECO 5ESS (Digital)
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTXBUDS0))
🕘 Prefix History
🔎 Explore Carrier Information
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