ATIS 0300076-2008 Numbering and Dialing Plan within the United States.pdf

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1、 ATIS-0300076 NUMBERING AND DIALING PLAN WITHIN THE UNITED STATES December 2008 2Copyright 2008 by the Alliance for Telecommunications Industry Solutions, Inc. All rights reserved. The INC Numbering and Dialing Plan within the United States dated December, 2008 is copyrighted, published and distribu

2、ted by ATIS on behalf of the Industry Numbering Committee (INC). Except as expressly permitted, no part of this publication may be reproduced or distributed in any form, including electronic media or otherwise, without the prior express written permission of ATIS. Participants in the INC and other p

3、arties are hereby authorized to reproduce this document and distribute it within their own business organizations for business purposes, provided that this notice continues to appear in the reproduced documentation. Resale is prohibited. For ordering information, please contact: ATIS 1200 G Street N

4、.W., Suite 500 Washington, DC 20005 (202) 628-6380 incatis.org A complete listing of INC Documents is available on the ATIS Web Site at: http:/www.atis.org/inc/docs/.asp 3ATIS is the leading technical planning and standards development organization committed to the rapid development of global, marke

5、t-driven standards for the information, entertainment and communications industry. More than 250 companies actively formulate standards in ATIS 18 Committees, covering issues including: IPTV, Service Oriented Networks, Energy Efficiency, IP-Based and Wireless Technologies, Quality of Service, and Bi

6、lling and Operational Support. In addition, numerous Incubators, Focus and Exploratory Groups address emerging industry priorities including “Green”, IP Downloadable Security, Next Generation Carrier Interconnect, IPv6 and Convergence. ATIS is the North American Organizational Partner for the 3rd Ge

7、neration Partnership Project (3GPP), a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications Sectors, and a member of the Inter-American Telecommunication Commission (CITEL). For more information please visit . - The Industry Numbering Comm

8、ittee (INC) provides an open forum to address and resolve industry-wide issues associated with planning, administration, allocation, assignment and use of North American Numbering Plan (NANP) numbering resources within the NANP area. This document is maintained under the direction of ATIS and the IN

9、C. Suggestions for improvement of this document are welcome. They should be sent to the Alliance for Telecommunications Industry Solutions, INC Staff, 1200 G Street NW, Suite 500, Washington, DC 20005. All changes to this document shall be made through the INC issue resolution process and adopted by

10、 the INC as set forth in the ATIS Operating Procedures. - Notice of Disclaimer U.S. is assigned 1 digit) CC NDC SN 1 to 3 Digits National (Significant) Number Max (15 n) Digits Max 15 DigitsInternational Public Telecommunication Number for Geographic Areas 15TABLE 3: UNITED STATES N11 SERVICE ACCESS

11、 CODES N11 Code Assigned Use 211 Community Information 311 Non-emergency access to government 411* Directory Assistance 511 Traffic or Travel Information 611* Telco Repair Service 711 Telecommunications Relay Service 811 Pipeline and Utility Safety 911 Emergency * Commonly accepted use but not yet o

12、fficially assigned by the FCC TABLE 4: N00 NPA CODES N00 NPA Code Assigned Use 200 Future 300 Future 400 Future 500 Personal Communications Services 600 Assigned to Canada 700 IXC Services 800 Toll Free Number Access4900 Premium Services 4See for complete listing of toll free NPA assignments. 16TAB

13、LE 5: ADDITIONAL NUMBERING NEEDS OF CMRS SERVICE PROVIDERS AND/OR OTHER NOMADIC SERVICES PROVIDERS ACRONYM MEANING FORMAT COMMENTS ESRD Emergency Services Routing Digit 10 digit NANP # (NPA-NXX-XXXX) or 10 digit non-dialable numbers Identifies the cell site and sector from which a CMRS E9-1-1 call o

14、riginates. ESQK Emergency Services Query Key / 10 digit NANP # (NPA-NXX-XXXX) or 10 digit non-dialable numbers Used by non-CMRS nomadic services providers to identify and delivery specific call data to the appropriate PSAP. The ESQK also is used to look up location information associated with an eme

15、rgency call instance. ESRK Emergency Services Routing Key 10 digit NANP # (NPA-NXX-XXXX) or 10 digit non-diable numbers In addition to identifying the cell site and sector from which a CMRS E9-1-1 call originates, also identifies and delivers specific call data to the appropriate PSAP MSRN Mobile St

16、ation Routing Number NPA-NXX-XXXX A number dynamically assigned on a per call basis by the serving wireless service provider to a CMRS roaming subscriber for incoming call setup purposes. This is used for signaling in GSM/UMTS technology. TLDN Temporary Local Directory Number NPA-NXX-XXXX A number d

17、ynamically assigned on a per call basis by the serving wireless service provider to a CMRS roaming subscriber for incoming call setup purposes. This is used for signaling in CDMA/TDMA/AMPS technology. 17TABLE 6: UNITED STATES DIALING PLAN QUANTITY OF DIGITS DIALED FORMAT CALL TYPE COMMENTS None Seiz

18、ure (off hook) Hot Line, Warm Line Automatic connection to predetermined location One Digit 0 Operator Connection to LEC Operator Two Digits 00 Operator Connection to IXC Operator Three Digits N11 *XX Services Vertical Services Connection Activation of service, acknowledgment tone is returned to cus

19、tomer and dial tone is returned. Four/Five Digits 11XX 11XXX *XXX Vertical Service from Dial Pulse phone Vertical Services Activation of service, acknowledgment tone is returned to customer and dial tone is returned. Expansion of *XX Seven Digits NXX-XXXX Local Call Call Completion Ten Digits NXX-NX

20、X-XXXX Local Call, where 10 digit local calls are required. Call Completion Eleven Digits 1 NXX-NXX-XXXX 0 NXX-NXX-XXXX SSSP Call to another NANP location PPCS Call to another NANP location Call Completion Call Completion Note: These call types are routed differently dependent upon Intra-LATA or Inter-LATA jurisdictions. More than Eleven Digits 01 + CC + CC + Number 011 + CC + CC + Number CC= Country Code and City Code International PPCS Call International SSSP Call Call Completion Call Completion Note: These calls can be from 12 to 15 digits plus the Access Code.