INC Report to the NANC January 16, 2001 Norman Epstein INC Moderator

Report Overview Upcoming INC Meetings Elimination of NANP Expansion Options 2A, 3A, 4A, and the Steering Code Proposal D-Digit Release LNPA & CO/NXX Workshops NPA Workshop

Upcoming INC Meetings March 5-9: INC 55 April 23-26: INC 56 June : INC 57

Elimination of NANP Expansion Options 2A, 3A, 4A, and the Steering Code Proposal

Eliminated Options OPTION 2A - 4 DIGIT NPA WITH NEW A DIGIT –(N)XXX + XXX + XXXX OPTION 3A - NATIONAL DESTINATION CODE (NDC) –NDC (1 Digit) + NPA + XXX+ XXXX OPTION 4A - 4 DIGIT NPA WITH NEW B DIGIT –N(X)XX + XXX + XXXX Steering Code Proposal –SC (2 Digit) + NPA + XXX+ XXXX

OPTION 2A - 4 DIGIT NPA WITH NEW A DIGIT (N)XXX + XXX + XXXX Rationale: Transition Problem 0+ Dialing is not supported Dialing Problem Reintroduction of 1+ prefix dialing User Impact Confuses relationship with existing NPAs. New NPAs less similar to existing than in other options Rationale for Elimination of Option 2A

0 + Dialing Problem For a credit card call during the permissive period: One can dial either: 0 + (2) NPA - NXX – XXXX (Expanded format) or 0 + NPA – NXX – XXXX (Existing format) (Receives a prompt) + Credit card number Rationale for Elimination of Option 2A

OPTION 3A - NATIONAL DESTINATION CODE (NDC) NDC (1 Digit) + NPA + XXX+ XXXX Rationale: Transition Problem 0+ Dialing is not supported Dialing Problem Does require a prefix in transition and also on an ongoing basis for inter NDC dialing Eliminates uniform dialing throughout the NANP User Impact No simple rule for transforming an old number to a new number; requires users to learn new geographical segmentation Rationale for Elimination of Option 3A

0 + Dialing Problem For a credit card call during the permissive period: One can dial either: 0 + NDC + NPA - NXX – XXXX (Expanded format) or 0 + NPA – NXX – XXXX (Existing format) (Receives a prompt) + Credit card number

OPTION 4A - 4 DIGIT NPA WITH NEW B DIGIT N(X)XX + XXX + XXXX Rationale: User Impact Requires users to insert a digit in the middle of the area code Regulatory Issue Fails to address Canadian request for identification of unique geographic resources NANP Exhaust Impact Does not allow release of 80 N9X NPAs for immediate assignment Rationale for Elimination of Option 4A

Steering Code Proposal SC (2 Digit) + NPA + XXX+ XXXX Rationale: Transition Problem 0+ Dialing is not supported Dialing Problems Does require a prefix in transition and also on an ongoing basis for inter SC dialing Eliminates uniform dialing throughout the NANP User Impact No simple rule for transforming an old number to a new number Requires users to learn new geographic segmentation post implementation Rationale for Elimination of Steering Code Proposal

0 + Dialing Problem For a credit card call during the permissive period: One can dial either: 0 + SC + NPA - NXX – XXXX (Expanded format) or 0 + NPA – NXX – XXXX (Existing format) (Receives a prompt) + Credit card number Rationale for Elimination of Steering Code Proposal

OPTION 1A 4 DIGIT NPA WITH NEW D DIGIT NXX(X) + XXX + XXXX OPTION 1B 4 DIGIT NPA WITH NEW D DIGIT AND 4 DIGIT C.O. CODES NXX(X) + (X)XXX + XXXX Both options require that the D-digit not be released prior to NANP Expansion Options Still Under Consideration

INC is addressing the directive in the FCCs Second Report and Order for the eventual elimination of current usage of 0/1 D-digits (Paragraphs 105 and 106) D-Digit Release

INC has begun its initial examination of FCC The following guidelines are currently under review: Central Office Code Assignment Guidelines Thousands-Block Number Pooling Administration Guidelines North American Numbering Utilization and Forecast Reporting Guidelines LNPA Workshop & CO/NXX Workshop

The NPA Workshop reissued their NPA Code Relief Planning and Notification Guidelines on November 13, This reissuance aligns the guidelines with current industry practices. NPA Workshop