Looking up a complete telephone number? Try Number Sleuth, a simplified interface for this lookup.

Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.

๐Ÿ”Ž Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
805-460CAPACIFIC BELL (AT&T)0038213641RMD00392889740ATASCADEROATSCCA11DS000/00/0000Prefix Type: RBOC
Switch Name: ATASCADERO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: ATSCCA11DS0))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460 is split into 1,000-number blocks - detail below
805-460-0XXXCAPACIFIC BELL (AT&T)0038213641RMD00392889740ATASCADEROATSCCA11DS0N/APrefix Type: RBOC
Switch Name: ATASCADERO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: ATSCCA11DS0))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-1XXXCAPACIFIC BELL (AT&T)0038213641RMD00392889740ATASCADEROATSCCA11DS0N/APrefix Type: RBOC
Switch Name: ATASCADERO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: ATSCCA11DS0))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-2XXXCAPACIFIC BELL (AT&T)0038213641RMD00392889740ATASCADEROATSCCA11DS0N/APrefix Type: RBOC
Switch Name: ATASCADERO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: ATSCCA11DS0))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-3XXXCAT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529ATASCADEROSNLOCA01XJX06/09/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNLOCA01XJX))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-4XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229ATASCADEROSNLOCA01X5X11/22/2005Prefix Type: CLEC
Switch Name: PASOROBLES
Switch Type: N/A
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNLOCA01X5X))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-5XXXCAT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529ATASCADEROSNLOCA01XJX01/07/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNLOCA01XJX))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-6XXXCACHARTER IP ENABLED SERVICES, LLCN/A792KATASCADERONOCLLIKNOWN04/05/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-7XXXCACHARTER IP ENABLED SERVICES, LLCN/A792KATASCADERONOCLLIKNOWN02/24/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-8XXXCAT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529ATASCADEROSNLOCA01XJX11/02/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNLOCA01XJX))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
805-460-9XXXCAPACIFIC BELL (AT&T)0038213641RMD00392889740ATASCADEROATSCCA11DS0N/APrefix Type: RBOC
Switch Name: ATASCADERO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Luis Obispo CA (740)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: ATSCCA11DS0))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information