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Glossary

Below is a list of commonly used terms for NANPA.

  • ACNA
    Access Customer Name Abbreviation
     
  • AOCN
    Administrative Operating Company Number. The term "AOCN" also refers to the company that updates rating and routing information associated with central office code assignments.
     
  • ANI
    Automatic Number Identification
     
  • ANSI
    Automatic Number Identification
     
  • ANSI
    American National Standards Institute
     
  • ATIS
    Alliance for Telecommunications Industry Solutions (www.atis.org)
     
  • BIRRDS
    Business Integrated Routing and Rating System
     
  • CDRL
    Contract Data Requirements List
     
  • CFR
    Code of Federal Regulations
     
  • CIC
    Carrier Identification Code
     
  • CIGRR
    Common Interest Group on Rating and Routing
     
  • CLEC
    Competitive Local Exchange Carrier
     
  • CLLI™
    COMMON LANGUAGE® Location Identification
     
  • CLONES™
    Central Location ON-line Entry System
     
  • CMRS
    Commercial Mobile Radio Service
     
  • CNA
    Canadian Number Administrator
     
  • CO Code
    Central Office Code, prefix, or exchange
     
  • CRTC
    Canadian Radio, Television, and Telecommunication Commission
     
  • EFS
    Emergency Services Interconnection Forum
     
  • EFT
    Electronic File Transfer
     
  • EN
    Emergency Notification
     
  • ERC
    Easily recognizable (area) code
     
  • ESQK
    Emergency Services Query Key
     
  • FCC
    Federal Communications Commission
     
  • FG A,B,C,D
    Feature Group A, B, C, D
     
  • FISMA
    Federal Information Security Modernization Act of 2014, Pub. L. No. 113-283 (codified at 44 U.S.C. § 3551 et seq.).
     
  • FNPA
    Foreign NPA
     
  • FRN
    FCC Registration Number
     
  • FTP
    Filer Transfer Protocol
     
  • GUI
    Graphic User Interface
     
  • HNPA
    Home NPA
      
  • ILEC
    Incumbent Local Exchange Carrier
     
  • INC
    Industry Numbering Committee
     
  • IPD
    Initial Planning Document
     
  • ISP
    Internet Service Provider
     
  • iVoIP
    Interconnected Voice Over Internet Protocol
     
  • IXC
    Interexchange Carrier
     
  • LATA
    Local Access and Transport Area
     
  • LEC
    Local Exchange Carrier
     
  • LERG™
    Local Exchange Routing Guide
     
  • LIDB
    Line Information Data Base
     
  • LNP
    Local Number Portability
     
  • LRN
    Location Routing Number
     
  • MSA
    Metropolitan Statistical Area
     
  • MTE
    Months to Exhaust
     
  • MTSO
    Mobile Telephone Switching Office
     
  • NANC
    North American Numbering Council
     
  • NANP
    North American Numbering Plan
     
  • NANPA
    North American Numbering Plan Administrator
     
  • NANPA / PA
    Now known as NANPA
     
  • NAOWG
    Number Administration Oversight Working Group
     
  • NARUC
    National Association of Regulatory Utility Commissioners
     
  • NAS
    NANP Administration System
     
  • NASC
    Number Administration Service Center (Toll-Free 800/866/877/888 database)
     
  • NECA
    National Exchange Carrier Association
     
  • NGIIF
    Next Generation Interconnection Interoperability Forum
     
  • NNS
    NANP Notification System
     
  • NPA
    Numbering Plan Area (Area Code)
     
  • NPAC
    Number Portability Administration Center
     
  • NRO
    Numbering Resource Optimization
     
  • NRRIC
    Network Rating and Routing Information Committee
     
  • NRUF
    Numbering Resource Utilization Forecast
     
  • NXX
    The format of an NPA code or a central office code (N=2-9, X=0-9)
     
  • OBF
    Ordering and Billing Forum
     
  • OCN
    Operating Company Number
     
  • OMB
    Office of Management and Budget
     
  • PA
    Pooling Administrator
     
  • p-ANI
    Pseudo-Automatic Number Identifier
     
  • PL
    Planning Letter
     
  • POTS
    Plain Old Telephone Service
     
  • PCS
    Personal Communications Service
     
  • PSAP
    Public Safety Answering Point
     
  • PSC
    Public Service Commission
     
  • PSTN
    Public Switched Telephone Network
     
  • PUC
    Public Utility/Utilities Commission
     
  • RA
    Rate Area
     
  • RBOC
    Regional Bell Operating Company
     
  • RC
    Rate Center
     
  • RCC
    Rate Center Consolidation
     
  • RNA
    Routing Number Administration (aka p-ANI Administrator)
     
  • RND
    Reassigned Numbers Database
     
  • SAC
    Service Access Code
     
  • SP
    Service Provider
     
  • SPID
    Service Provider Identification (ID)
     
  • STP
    Signaling Transfer Point
     
  • TBCOCAG
    Thousands-Block (NPA-NXX- X) & Central Office Code (NPA-NXX) Administration Guidelines
     
  • TFNA
    Toll-Free Number Administrator
     
  • TMOC
    Telecom Management and Operations Committee
     
  • TN
    Telephone Number
     
  • TPM™
    Terminating Point Master
     
  • TRA
    Telecom Routing Administration
     
  • TRD
    Technical Requirements Document
     
  • ULEC
    Unbundled Local Exchange Carrier
     
  • V&H
    Vertical & Horizontal (Coordinates)
     
  • VoIP
    Voice over Internet Protocol
     
  • VPC
    Voice over Internet Protocol (VoIP) Positioning Center
     
  • VSC
    Vertical Service Code