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npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
817-272TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-273TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303 is split into 1,000-number blocks - detail below
817-303-0XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-1XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-2XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-3XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-4XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-5XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-6XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-7XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-303-8XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-356TXTELETOUCH COMMUNICATIONS, INC.N/A6591ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: WIRELESS
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376 is split into 1,000-number blocks - detail below
817-376-0XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376-1XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376-2XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376-3XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376-4XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376-5XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376-6XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-376-8XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-459TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460 is split into 1,000-number blocks - detail below
817-460-0XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-1XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-2XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-3XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-4XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-5XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-6XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-7XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-460-8XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-461TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-462TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-469TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-542TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-542 is split into 1,000-number blocks - detail below
817-542-0XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-588TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679 is split into 1,000-number blocks - detail below
817-679-0XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-2XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-3XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-4XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-5XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-6XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-7XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-8XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-679-9XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-794TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-795TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-801TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-833TXTELETOUCH COMMUNICATIONS, INC.N/A6591ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: WIRELESS
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-843TXTELETOUCH COMMUNICATIONS, INC.N/A6591ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: WIRELESS
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-856TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-856 is split into 1,000-number blocks - detail below
817-856-1XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-856-3XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-856-4XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-856-5XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-856-6XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-962TXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS000/00/0000Prefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-962 is split into 1,000-number blocks - detail below
817-962-1XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-962-4XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
🔧 Explore Switch(CLLI: FTWOTXCRDS0))
🕘 Prefix History
🔎 Explore Carrier Information
817-962-5XXXTXSOUTHWESTERN BELLN/A9533ARLINGTONFTWOTXCRDS0N/APrefix Type: RBOC
Switch Name: FORT WORTH CRESTVIEW
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Dallas TX (552)
Tandem: N/A
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