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If you need help importing these files into Microsoft Access, check here for some documentation we have on the topic.
Download NameAccess LevelDescription
city-county-zipTelcoData - Advanced MembershipArea code, exchange, State, City, County, Zip (Requires Advanced subscription)
city-county-zip-byratecenterTelcoData - Advanced MembershipArea code, exchange, State, City, County, Zip - By Ratecenter (Requires Advanced Subscription)
clli-lat-lonTelcoData - Advanced MembershipTab separated file containing CLLI codes, Latitude, and Longitude. (Before you ask, no, I will not provide street addresses in downloadable format)
clli-npa-nxxTelcoData - Standard MembershipThis is all telephone exchanges in the US and surrounding areas, format is CLLI|NPA|NXX. Generated during major site updates automatically.
cnutlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - IA, IL, IN, KY, MI, MN, OH, WI
csutlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - AL, AR, LA, MO, MS, TN, TX
eautlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - PR, VI
enutlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - CT, MA, ME, NH, NJ, NY, PA, RI, VT
esutlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - DC, DE, FL, GA, MD, NC, SC, VA, WV
first6-city.csvTelcoData - Standard MembershipA download of the first 6 characters of all the CLLI codes, followed by city and state. Format: CLLI,City,State. Updated every major site update.
lataTelcoData - Standard MembershipList of all LATA numbers and their respective LATAs. Format is LATANUM|LATA Description
lata-npa-nxx-state-city-zip.csvTelcoData - Standard MembershipA download of all exchanges, ordered by LATA, NPA, NXX, State, City, and Zip
npa-exchange-tzTelcoData - Advanced MembershipArea Code, Exchange, POSIX Timezone (Beta, requires Advanced subscription)
npa-nxx-company-county-zipTelcoData - Advanced MembershipArea code, exchange, Company, State, City, County, Zip, Ratecenter - By Wirecenter (CSV) (Requires Advanced Subscription)
npa-nxx-companytype-ocn.csvTelcoData - Standard MembershipNPA,NXX,COMPANY TYPE,OCN,COMPANY NAME,LATA,RATECENTER,STATE
npa-nxx-state-company-etc-nothousanTelcoData - Standard MembershipAll NPA-NXX along with the following fields: State, Company, OCN, Ratecenter, CLLI, Assign Date, prefix type, Switch name, switch type and lata (Warning: 18MB+, automatically updated whenever a major site update occurs) This file will be truncated if loaded into Excel. Please use MS Access or something like it.
npa-nxx-state-company-etc-thousandsTelcoData - Standard MembershipAll NPA-NXX and thousands blocks along with the following fields: State, Company, OCN, Ratecenter, CLLI, Assign Date, prefix type, Switch name, switch type and lata (Warning: 20MB+, automatically updated whenever a major site update occurs) This file will be truncated if loaded into Excel. Please use MS Access or something like it.
npa-nxx-state-nothousands-ilecTelcoData - Advanced MembershipAll NPA-NXX along with the following fields: State, Company, OCN, Ratecenter, CLLI, Assign Date, prefix type, Switch name, switch type, lata, ILEC Name and ILEC OCN (Warning: 18MB+, automatically updated whenever a major site update occurs) This file will be truncated if loaded into Excel. Please use MS Access or something like it.
npa-nxx-state-thousands-ilecTelcoData - Advanced MembershipAll NPA-NXX and thousands blocks along with the following fields: State, Company, OCN, Ratecenter, CLLI, Assign Date, prefix type, Switch name, switch type, lata, ILEC Name and ILEC OCN (Warning: 20MB+, automatically updated whenever a major site update occurs) This file will be truncated if loaded into Excel. Please use MS Access or something like it.
npastateTelcoData - Standard MembershipStates to areacode mapping (ex. MI,248)
ocn-npanxxTelcoData - Standard MembershipThis is a csv, it goes OCN,NPANXXThousands(newline). Good for billing where your charges are different depending on the OCN of the terminating company.
sms-emailTelcoData - Advanced MembershipArea code, exchange, Thousands digit, company, type,email domain (Requires Advanced subscription)
sms-email-ocnTelcoData - Advanced MembershipArea code, exchange, Thousands digit, company, type,email domain, OCN (Advanced Subscription)
type-to-manufTelcoData - Standard MembershipType to manufacturer CSV. Take the commonly used three letter abbreviation for a switch type, and find its manufacturer and model name. Format is ABBREV,Manufacturer,Model. Collected from various sources, not 100% complete, but contains 99% of all the common ones.
wnutlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - CO, ID, KS, MT, ND, NE, NV, OR, SD, UT, WA, WY
wputlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - AK, AS, GU, HI, NN
wsutlzd.txtTelcoData - Standard MembershipDrop in replacement for pre-October 2007 NANPA download with the same name (In Oct 2007, NANPA redacted CLLI codes from their downloads. This is the same exact file format, but contains them) - AZ, CA, NM, OK
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