香港電訊服務 號碼計劃 - ofca.gov.hk

1 The Numbering Plan for Telecommunications Services in Hong Kong (SAR), China Issue Date : (Last Update : . )ToCFrequently Asked Questions Acronyms Codes assigned to Hong Kong by International Telecommunication Union Allocation/Assignment of Hong Kong Telephone Numbers Assignment of Signalling Point Code (SPC) (SPC) Assignment of International Signalling Point Code (ISPC) (ISPC) Assignment of Issuer Identification Number (IIN) (IIN) Assignment of Administration Management Domain (ADMD) (ADMD) Assignment of Mobile Network Code (MNC) (MNC) Assignment of Data Network Identification Codes (DNIC) (DNIC) Change History Table of Content Office of the Communications Authority2 / 74 FAQF requently Asked Questions - (1)URL storing an updated copy of this HK Numbering Plan? or (2)What is the definition of "Special Number Blocks"?

2 ?Special Number Blocks refer to number blocks in a special or easily recognisable pattern which is attractive, or is likely to be attractive, to a customer (or customers). These Special Number Blocks spread across number levels from 2X to 9X . Prior to 1 July 2017, special number blocks are generally with 3-digit prefixes in the patterns of AAA ( 222), ABA ( 353), and ABC ( 678), while effective from 1 July 2017, special number blocks will generally be with 4-digit prefixes in the patterns of AAAA ( 2222), ABAB ( 3535), and ABCD ( 6789). 2X 9X 2017 7 1 AAA 222 ABA 353 ABC 678 2017 7 1 AAAA 2222 ABAB 3535 ABCD 6789 (3)Where can I find the principles and the required application information for Number Allocation/Assignment? / ?

3 Please see App-3 of the "Code of Practice relating to the Use of Numbers and Codes in the Hong Kong Numbering Plan" (The CoP), downloadable at : ( CoP) , CoP (4)What does the "Category" of numbers (cat. 1, cat. 2, cat. 3) mean? (cat. 1, cat. 2, cat. 3) In short, it is a means to indicate if a short code is Universally Accessible and/or Universally Allocated. Applicable to short codes only. The original definition of Short Code Categories can be found in Appendix 2 of the CoP (see answer to question#3 above), and copied below for easy reference. 1 2 / CoP #3 App 2 Category 1 Codes which are universally accessible by customers and universally allocated to all operators 99X for emergency services;Category 2 Codes which are universally accessible by customers and allocated to a single operator 10X , 12X , 15XX , 16XX , 17X and 20X codes; andCategory 3 Codes which in general will not be passed across networks and are universally allocated to all operators 108X for the directory enquiry services, 109 for the fault reporting services and 1850X for time and temperature services.

4 However, operators are permitted to pass these codes across networks under bilateral or multilateral commercial arrangements.(5)What is the meaning of "Reserved", "Spare" and "Spare - open for application"?" " " " " / " "Reserved" means the number resources concerned are currently held in reserve pending the way forward to be made on their applications ( number migration/digit-upgrade, special number arrangement);"Spare" means the applications of the number resources concerned have already been determined and these number resources are made available for future allocation/assignment; and"Spare - open for application" means the number resources concerned are currently available for application by licensees for allocation/assignment" " " " / " / " Office of the Communications Authority3 / 74 FAQ(6)Why are some numbers in 7(4-9)X levels allocated to designated paging operators while some numbers in the abovementioned number levels are reserved for migration/digit-upgrade purposes?

5 7 4-9 X In accordance with the CA Statement dated 24 June 2016 on "More Efficient Utilisation of the 8-digit Numbering Plan", all the existing numbers in the 7X levels for provision of paging services will be relocated to certain specific number blocks in "7(1-3)X" levels by 1 July 2021. Subsequently, all number blocks in the 7(4-9)X levels (including those being vacated as a result of the relocation of the existing paging numbers in the "7(4-9)X" levels) will be reserved for the future migration to a longer digit numbering plan. 7X 7(1-3)X 7 4-9 X ( 7 4-9 X ) (7)As regards the answer to (6) above, what are the specific number blocks to which all the existing numbers in the 7X levels for provision of paging services will be relocated by 1 July 2021?

6 (6) 7X After consulting with the paging operator, the following 25 specific number blocks have been identified to which all the existing numbers in the 7X levels for provision of paging services will be relocated by 1 July , 7110xxxx, 7111xxxx, 7112xxxx, 7116xxxx, 7169xxxx, 7222xxxx, 7225xxxx, 7238xxxx, 7272xxxx, 7288xxxx, 7291xxxx, 7293xxxx, 7305xxxx, 7306xxxx, 7308xxxx, 7321xxxx, 7323xxxx, 7327xxxx, 7328xxxx, 7331xxxx, 7333xxxx, 7337xxxx, 7382xxxx, 7388xxxx 25 7X 7100xxxx, 7110xxxx, 7111xxxx, 7112xxxx, 7116xxxx, 7169xxxx, 7222xxxx, 7225xxxx, 7238xxxx, 7272xxxx, 7288xxxx, 7291xxxx, 7293xxxx, 7305xxxx, 7306xxxx, 7308xxxx, 7321xxxx, 7323xxxx, 7327xxxx, 7328xxxx, 7331xxxx, 7333xxxx, 7337xxxx, 7382xxxx, 7388xxxx(8)What are the 900-prefixed Infoline rules for service classification?900- The Infoline numbers, up to 11 digits, are of the format 900-S-ABCDEFH.

7 The value of "S" determines the type of service of the number: 11 900-S-ABCDEFH S S=0 => Sponsored Services S=2 => Information Services for Children S=3 => Mass Calling Services (up to 8 digits) ( 8 )S=4 => Interactive Information Services S=6 => General Information Services S=9 => Special Information Services (9)How to obtain more information about Hong Kong Numbering: Please contact: Regulatory Affairs Manager, Regulatory Section 13 Tel: 2961 6221 13 : 2961 6221 Office of the Communications Authority4 / 74 AcronymsAcronyms 3G3rd Generation Wireless Communications 3 binBinary cat. 1 Category 1 of Short Code(s) ( )cat. 2 Category 2 of Short Code(s) ( )cat. 3 Category 3 of Short Code(s) ( )CDMACode Division Multiple Access CoPCode of Practice - referring to the "Code of Practice relating to the Use of Numbers and Codes in the Hong Kong Numbering Plan" ("CoP") document.

8 DNICData Network Identification Code ETSE xternal Telecommunications Services GSMG lobal System for Mobile communications GSM900 GSM operating in 900 MHz band 900 MHz GSM GSM1800 GSM operating in 1800 MHz band 1800 MHz GSM hexHexadecimal HKHong Kong IINI ssuer Identification Numbers IMNI nmarsat Mobile Number IMSII nternational Mobile Subscriber Identity ITUI nternational Telecommunication Union MCCM obile Country Code MMSIM aritime Mobile Service Identity MNCM obile Network Code MVNOM obile Virtual Network Operator NACT elecommunications Numbering Advisory Committee N/ANot Applicable PNETSP ublic Non-Exclusive Telecom Services SANCI nternational Signalling Area/Network Codes / SBOS ervice-Based Operator SPCS ignalling Point Code ISPCI nternational Signalling Point Code Office of the Communications Authority5 / 74 Codes assigned by ITUCode(s) Type of Code(s) Remarks 4-105, 4-106, 4-107,4-108, 4-109, 4-111,4-176, 4-177, 4-178,4-179, 4-180, 4-181,4-182, 4-183, 4-184, Signalling Area/Network Codes / (SANC)For assignment of ISPC's.

9 (ISPC) 453, 454 Data Country Code (DCC)For assignment of Data Network Identification Codes (DNIC). (DNIC) 454 Mobile Country Code (MCC)For assignment of land mobile station identities such as International Mobile Station Identity (IMSI) for international roaming purpose. (IMSI) 477 Maritime Identification Digits (MID)For assignment of ship station identities such as Inmarsat Mobile Number (IMN) and Maritime Mobile Service Identity (MMSI). (IMN) (MMSI) 802 HXTelex Destination Code, Telex Network Identification Code , Reserved for future assignment. 852 Country Code For routing international calls into Hong Kong. 89 852 XXIssuer Identification Numbers (IIN)For assignment of IIN for international telecommunications charge cards issuers. IIN HKCountry Code For public message handling services.

10 Codes assigned to Hong Kong by International Telecommunication Union Office of the Communications Authority6 / 74HK Telephone NumbersAllocation/Assignment of Hong Kong Telephone Numbers Range / Number Start / Range / Number End / Length Special# Number Category Number Sub-category Allocated/Assigned to (Company/Entity) ( / )Remarks "0"-Leading - Access Codes "0" - 000-000-N/AOthers ** Migration / Digit-upgrade ** Reserved 001-001-N/AAccess Code ETS, Prime IDD for Voice ** All Operators (Universally allocated) Generally not passed across networks 002-002-N/AAccess Code ETS, Prime IDD for Fax/Data / ** All Operators (Universally allocated) Generally not passed across networks 0030-0030-N/AAccess Code Hong Kong Broadband Network Ltd International Gateway 0031-0039-N/AAccess Code ** Spare - open for application / International Gateway 0040-0049-N/AAccess Code ** Spare - open for application / International Gateway 0050-0050-N/AAccess Code ComNet Telecom (HK) Limited ( ) International Gateway 0051-0058-N/AAccess Code ** Spare - open for application / International Gateway 0059-0059-N/AAccess Code HKC Network Ltd International Gateway 006-006-N/AAccess Code PCCW-HKT Telephone Ltd and Hong Kong Telecommunications (HKT)