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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
803-576SCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79F00/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576 is split into 1,000-number blocks - detail below
803-576-0XXXSCSUNCOM DBA T-MOBILE USAN/AN/A8645COLUMBIAIRMOSCAPCM105/15/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: IRMOSCAPCM1))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
803-576-1XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-2XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-3XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-4XXXSCMCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC (Verizon Communications)0004999405RMD00029578534COLUMBIACLMASCLNX3X04/30/2013Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCLNX3X))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-5XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-6XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-7XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-8XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
803-576-9XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (AT&T)N/AN/A9417COLUMBIACLMASCSN79FN/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCSN79F))
🕘 Prefix History
🔎 Explore Carrier Information
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