ATIS 0300051-2016 Central Office Code (NXX) Assignment Guidelines (COCAG) (Reissued with the resolution of Issue 806 and 809).pdf

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1、 ATIS-0300051 Central Office Code (NXX) Assignment Guidelines (COCAG) Reissued with the resolution of Issue 806 and 809. March 4, 2016 Page 2 Copyright 2016 by Alliance for Telecommunications Industry Solutions All rights reserved. The Central Office Code (NXX) Assignment Guidelines dated March 4, 2

2、016, is copyrighted, published and distributed 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 o

3、f ATIS. Participants in the INC and other parties 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 inform

4、ation, please contact: ATIS 1200 G Street N.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/incguides.asp. Trademark Acknowledgments Common Languageand Telcordiaare registered trademarks an

5、d CLLI, iconectiv, LERG Routing Guide and TPM Data Source are trademarks and the Intellectual Property of Telcordia Technologies, Inc. dba iconectiv. Page 3 As a leading technology and solutions development organization, the Alliance for Telecommunications Industry Solutions (ATIS) brings together t

6、he top global ICT companies to advance the industrys most pressing business priorities. ATIS nearly 200 member companies are currently working to address the All-IP transition, network functions virtualization, big data analytics, cloud services, device solutions, emergency services, M2M, cyber secu

7、rity, network evolution, quality of service, billing support, operations, and much more. These priorities follow a fast-track development lifecycle from design and innovation through standards, specifications, requirements, business use cases, software toolkits, open source solutions, and interopera

8、bility testing. ATIS is accredited by the American National Standards Institute (ANSI). The organization is the North American Organizational Partner for the 3rd Generation Partnership Project (3GPP), a founding Partner of the oneM2M global initiative, a member of and major U.S. contributor to the I

9、nternational Telecommunication Union (ITU), as well as a member of the Inter-American Telecommunication Commission (CITEL). For more information, visit www.atis.org. - The Industry Numbering Committee (INC) provides an open forum to address and resolve industry-wide issues associated with planning,

10、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 INC. Suggestions for improvement of this document are welcome. They should be sent to the Alliance for Tele

11、communications 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 the INC as set forth in the ATIS Operating Procedures. - Notice of Disclaimer i.e., thousands-blocks and

12、 full NXX codes. In addition, SPs participating in number pooling must submit changes or disconnects for pooled NXXs to the PA. Changes or 10TPM Data Source is a trademark of Telcordia Technologies, Inc. dba iconectiv. 11A list of the current Code Administrators is available at http:/. A list of cur

13、rent Pooling Administrators is available at . Central Office Code (NXX) Assignment Guidelines ATIS-0300051 March 4, 2016 Page 5 disconnects for non-pooled NXXs in a pooling rate center should be sent to NANPA, unless the PA received the original request for the non-pooled NXX. 2.13 State commissions

14、 have access to service providers applications for numbering resources, including the supporting documentation that service providers submit via e-mail to the NANPA or the PA to accompany those applications for numbering resources. State commissions may review copies of such applications in NAS and

15、PAS, or may request copies of such applications (including supporting documentation accompanying applications) from the service providers operating within their states. Service providers shall comply with state commission requests for copies of numbering resource applications (including supporting d

16、ocumentation accompanying applications) within one business day of receiving the request. Carriers that fail to comply with a state commission request for copies of numbering resource application materials shall be denied numbering resources12when the state commission demonstrates (e.g. by email or

17、facsimile) to the NANPA or the PA that the carrier failed to comply with the request.132.14 It is assumed from a wireline perspective that CO codes/blocks allocated to a wireline service provider are to be utilized to provide service to a customers premise located in the same rate center that the CO

18、 codes/blocks are assigned. Exceptions exist, for example tariffed services such as foreign exchange service. 3.0 Assignment Principles The following assignment principles apply to all aspects of the CO Code (NXX) Guidelines: 3.1 CO codes (NXXs) are assigned to entities for use at a Switching Entity

19、 or Point of Interconnection they own or control. An entire NXX code dedicated for a single customers use may be classified as a non-pooled code at the discretion of the SP by selecting the pool indicator of “no” in Section 1.5 of the CO Code Part 1. If this option is selected, but the SP did not fo

20、llow the guideline direction for requesting the pooling indicator be marked as non-pooled on the Part 1 form, the SP must e-mail the PA and NANPA prior to the original Part 3 effective date in order for the NXX code dedicated for a single customers use be classified as a non-pooled code. The SP is r

21、eminded that a portability indicator may be required. Further, the SP is reminded that the LERG effective date reflecting the NXX code as non-pooled may be different than the original effective date. The NXX code dedicated for a single customers use will become a pooled code if and when thousands-bl

22、ocks from the NXX code are returned to the pool. A CO Code Part 4 shall be on file prior to an SP returning any thousands-block from an NXX code dedicated for a single customers use. The SP also shall include in the remarks field of the Part 1A disconnect that the NXX code has been activated in the

23、PSTN, loaded in the NPAC, and all other Code Holder of a pooled NXX responsibilities have been fulfilled. If the NXX code was marked as non-1247 CFR 52.15 (g) (6). 13FCC 00-429, 122 Central Office Code (NXX) Assignment Guidelines ATIS-0300051 March 4, 2016 Page 6 pooled in BIRRDS, the PA shall chang

24、e the NXX code to a pooled status and create the BCDs in BIRRDS for the thousands-blocks still assigned to the SP. The SP then shall create the NXD-X records in BIRRDS for its assigned thousands-blocks. Central office codes (NXX), as part of NANP telephone numbers, are to be assigned only to identif

25、y initial destination addresses in the public switched telephone network (PSTN), not addresses within private networks. 3.2 Central office codes (NXX) are a finite resource that should be used in the most effective and efficient manner possible. All applicants will be required to provide a completed

26、 Part 1 form and, for additional codes, quantitative support to demonstrate compliance with these guidelines. The quantitative information required for an additional code request is the “CO Code Assignment Months to Exhaust Certification Worksheet - TN Level” (Appendix B) or “Thousands-Block Number

27、Pooling Months To Exhaust Certification Worksheet 1000-Block Level” Thousands-Block Number (NXX-X) Pooling Administration Guidelines, Appendix 4. The applicant should retain a copy in the event of an audit or regulatory initiative (See Sections 2.10 and 2.11). 3.3 Information that is submitted by ap

28、plicants in support of code assignment shall be kept to a minimum, be uniform for all applicants, and be treated as proprietary and adequately safeguarded by the PA/NANPA. Switch CLLI information shall not be placed on the NANPA website but shall be retained by the PA/NANPA. The Switch CLLI informat

29、ion will continue to be available to those Service Providers and appropriate state and governmental regulatory authorities who have registered for access to the PA/NANPA secured systems. If an appropriate state and governmental regulatory authority has not registered for access to the PA/NANPA secur

30、ed systems, this information shall be made available upon request. Information required by iconectiv Business Integrated Rating and Routing Database System (BIRRDS), iconectiv TPM Data Source14, and information available in the LERG Routing Guide may be subject to licensing agreements with iconectiv

31、. 3.4 Central office codes shall be assigned in a fair and impartial manner to any applicant that meets the criteria for assignment as detailed in Section 4.0. 3.5 Applicants for central office codes must comply with all applicable local governmental, state, federal and the NANP area governmental re

32、gulations relative to the services they wish to provide. 3.6 When a service providers jurisdictional certification, license, or authorization to operate has been revoked, the appropriate regulatory authority should provide written direction and supporting documentation to the NANPA and PA to deny ap

33、plications for the company name associated with the revoked jurisdictional certification, license, or authorization.1514TPM Data Source is a trademark of Telcordia Technologies, Inc. dba iconectiv. 15See FCC 00-429 122 and FCC 15-70 53. Central Office Code (NXX) Assignment Guidelines ATIS-0300051 Ma

34、rch 4, 2016 Page 7 3.7 Any entity that is denied the assignment of one or more central office codes under these guidelines has the right to appeal that decision per Section 13. 3.8 Affected parties16 in a given geographic area have the right and will be given the opportunity to participate as early

35、as possible in the process of determining the alternatives for addressing CO code (NXX) exhaust and relief in that area before the CO Code Administrator(s) submits a final recommendation to the relevant regulatory body. 3.9 Resource conservation, in and of itself, should not inhibit or otherwise imp

36、ede, the ability to obtain NXXs. 3.10 SPs cannot change the rate center on a code that contains ported TNs. Such changes are not permitted because of the impact to customer calling patterns and associated charges. 3.11 If an SP has chosen to participate in thousands-block number pooling in a volunta

37、ry rate center outside of the top 100 MSAs, the SP cannot withdraw from pooling in a voluntary rate center once the SP has submitted a forecast, a donation, or has been assigned a thousands-block. Once an SP chooses to participate in thousands-block number pooling in a voluntary rate center, all num

38、bering requests must be submitted directly to the PA. 4.0 Criteria for the Assignment of Central Office Codes The assignment criteria in the following sections shall be used by CO Code Administrator(s) in reviewing a central office code assignment request from a service provider for an initial and/o

39、r an additional code: 4.1 Code Assignment Criteria for Both Initial and Growth Resources CO codes (NXXs) are assigned to entities for use at a Switching Entity or Point of Interconnection they own or control. If the Switching Entity/POI populated in Section 1.2 of the Part 1 form is not under the ow

40、nership or control of the applicant, the applicant must provide documentation (e.g., letter of authorization) allowing this use, otherwise NANPA shall deny the application. NANPA shall retain this documentation on file and the applicant may reference it in the comments field of the Part 1 on future

41、applications utilizing the same Switching Entity/POI instead of providing the documentation again. NANPA shall retain the documentation until the authorizing service provider indicates that the authorization has been revoked. Applicants shall confirm the validity of their Switching Entity/POI prior

42、to submitting the Part 1 form. The following are current valid entity codes for population of the Switching Entity/POI (Section 1.2 of the Part 1 form) and appropriate for NPA-NXX assignments in BIRRDS: Digital Switch 16Affected parties are those SPs that a) have applied for and/or received central

43、office code (NXX) assignments or reservations within the NPA per Section 4.0 of these Guidelines and/or thousands-block (NXX-X) assignments or reservations within the NPA per Section 4.3 of the Thousands-Block Number Pooling Administration Guidelines; and/or b) are materially affected by decisions m

44、ade via the consensus process during NPA relief planning activities for the affected NPA. Central Office Code (NXX) Assignment Guidelines ATIS-0300051 March 4, 2016 Page 8 Cellular Mobile Switch Remote Switch Call Agent Virtual Switch (grandfathered only for call agents having NPA-NXXs already assig

45、ned) Appropriate POIs (message trunk interface) Next Generation Network Entities as appropriate for assignment of numbering resources The entry in the Switching Entity/POI field must be an active Common Language Location Code (CLLI Code)17, one of the valid network entity types appropriate for NXX a

46、ssignment listed above, and built in BIRRDS, otherwise NANPA will deny the application. Assignment of the initial code(s) will be to the extent required to terminate PSTN traffic as authorized or permitted by the appropriate regulatory or governmental authorities, and provided all the criteria in Se

47、ctions 4.1.1 through 4.1.3 are met. An initial code assignment will be based on a unique rate center18consistent with regulatory restriction. Utilization criteria or projection will not be used to justify an initial NXX assignment. The applicant must demonstrate authorization and preparation to prov

48、ide service before receiving initial numbering resources.19 These requirements apply equally to carriers requesting an initial NXX code and those requesting an initial thousand-block from the PA.20Where the PA is applying for the assignment of a CO Code, the service provider whose OCN is shown on the CO Code Application form shall meet the above requirement. 4.1.1 The applicant must certify a need for NANP numbers, e.g.