This section lists the acronyms used in Precisely's telecommunications data products. Definitions of these terms are found in the Glossary section of this product guide.
AHJ: Authority Having Jurisdiction
ALI: Automatic Location Identification
ANI: Automatic Number Identification
CLEC: Competitive Local Exchange Carrier
CLLI: Common Language Location Identifier; Wire Center Code
CO: Central Office
CRTC: Canadian Radio-television and Telecommunications Commission
E9-1-1: Enhanced 9-1-1
ESRD: Emergency Services Routing Digit
ESRK: Emergency Services Routing Key
FCC: Federal Communications Commission
FIPS: Federal Information Processing Standard [codes]
GIS: Geographic Information System
ILEC: Incumbent Local Exchange Carrier
LATA: Local Access Transport Area
LEC: Local Exchange Carrier
MSAG: Master Street Address Guide
NPA: Numbering Plan Area; area code
NXX: Prefix
OCN: Operating Company Number
PCS: Personal Communications Services
PSAP: Public Safety Answering Point
PRCD: Province Code and Census Division [code]
PSTN: Public Switched Telephone Network
RBOC: Regional Bell Operating Company
SQL: Structured Query Language
V&H: Vertical and Horizontal [grid coordinates]
VoIP: Voice over Internet Protocol