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Section Index: | ||||||
This section deals with special services and numbering changes such as Inmarsat and International Freephone. These items do not correspond to a particular nation or geographic region, and are thus considered "non-geographical" in nature.
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Defense Switched Network | DSN |
DSN numbering is similar to the North American Numbering Plan: three-digit area codes followed by seven-digit numbers. The area codes are:
312 Continental United States (CONUS)
313 Caribbean, Central America
314 Europe
315 Pacific, Indian Oceans
317 Alaska
318 Southwest Asia
319 Canada (as of 5 September 2000, formerly under 312)
For further information on DSN, see:
AUTOVON (AUTOmatic VOice Network) was DSN's predecessor. Information on that system can be found in reports on the TELECOM Digest archives:
(Some updates courtesy Susan Allersmeyer, Keith Michal)
As of 5 September 2000, area code 319 was in service for CSN numbers. Previously, Canadian points had been part of DSN area code 312, until numbering growth had prompted a need for area code 312 relief.
Source: DND 14 Wing announcement (2000, document no longer online).
For CSN numbers, see also KRCS DSN Directory (2006) - Canada (DSN Area Code 319).
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Global Mobile Satellite System (GMSS) | +881 |
(Source: Ellipso announcement via ITU, 2003)
14 March 2001: ICO-Teledesic and Ellipso announced a merger of their respective satellite mobile systems. There was no immediate word on what changes would occur to the GMSS numbering assignments.
17 December 1997: Odyssey system was cancelled in favour of ICO's service. Its GMSS numbering range was presumably re-assigned to Ellipso.
Iridium: The first global mobile satellite service was Iridium. This began service with numbers in the +881 6 range. +881 7 Iridium number range was reserved. The Iridium service ran into bankruptcy problems and was originally expected to be discontinued in early 2000. But another party purchased the assets at a fraction of the development price and continued the service. As of 2003, Iridium appeared to have continued success, particularly with satellite phone demands for the early 2003 U.S.-Iraq war.
+881 0 ICO Global Communications (reserved) +881 1 ICO Global Communications (reserved) +881 2 vacant (formerly Ellipso, Odyssey; assigned 29 June 2000) +881 3 vacant (formerly Ellipso, Odyssey; assigned 29 June 2000) +881 4 spare for future service +881 5 spare for future service +881 6 Iridium (assigned 10 November 1997) +881 7 Iridium (assigned 10 November 1997) +881 8 Globalstar (assigned 24 February 1999) +881 9 Globalstar (assigned 24 February 1999)The Ellipso assignments, +881 2 and +881 3, were vacated effective 2 June 2008 ( ITU-T SG2 NCT: E.164 country code 881 plus two 1-digit ICs.)
(News item courtesy Sergiu Rosenzweig)
Source: ITU list of +881 and +882 code assignments as of early 2002 (PDF format).
(assignments from ITU (2001 update), courtesy tip from Mark J Cuccia)
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Inmarsat | +870 to +874 |
According to an ATIS presentation, satellite maritime service for American navy and other customers was established as Marisat in 1976. In 1979, Inmarsat was established as an intergovernmental treaty organization (IGO), then privatised as a UK limited company in 1999.
Country code assignments for the Inmarsat maritime/mobile service:
+870 - Single Number Access (SNAC) service - assigned late 1995
+871 - Atlantic Ocean East [note 1]
+872 - Pacific Ocean
+873 - Indian Ocean
+874 - Atlantic Ocean West [note 1]
[note 1] - country code +871 was originally assigned for the entire Atlantic Ocean Region until the territory was split by a new +874 country code at a date unknown to WTNG. This was due to a new Inmarsat satellite entering service for the Atlantic ocean region. One reference indicates +874 took effect in 1995.
The choice of country code from +871 through +874 is determined by the region in which an Inmarsat terminal is located. The subscriber number of an Inmarsat terminal will be unique in the world, meaning that the same number should not be duplicated in different Inmarsat region country codes.
The +870 single number access country code will eventually replace the separate region country codes.
Initial digits of IMN represent the type of Inmarsat service:
Numbering Inmarsat Service Comments ========= ================ ======== 0... reserved 1iiixxxx A discontinued by end-2007? 2... reserved 3mmmxxxxx B / Maritime normal phone, fax, 9.6 kb/s data 38nnnxxxx B / Land normal phone, fax, 9.6 kb/s data 39dxxxxxx B-HSD ISDN access 4mmmxxxxx C / Maritime data communications $ 49nnnxxxx C / Land $ 5oooooooo Aero based on ICAO technical address 6mmmxxxxx M / Maritime normal phone, fax data 60xxxxxxx F (Fleet) HSD/ISDN access; Fleet77, GAN, Swift 64 60xxxxxxx M4-HSD HSD/ISDN access 68nnnxxxxx M / Land normal phone, fax, data 70xxxxxxx reserved for future 71xxxxxxx reserved for future 72xxxxxxx reserved for future 73xxxxxxx reserved for future 74xxxxxxx reserved for future 75xxxxxxx reserved for future 76xxxxxxx F (Fleet77), GAN 76xxxxxxx Mini-M and M4 77xxxxxxx BGAN in service end-2005 78xxxxxxx BGAN format not finalised as of early 2005 79xxxxxxx reserved for future 8yxxxxxxx channel selection used with Inmarsat A 9... special call routing as allocated by ITU-T Legend for digits ----------------- d = D digit (data) iii = MID digits - identifying country of origin (defined by Inmarsat) mmm = MID digits - identifying country of origin (defined by ITU-R) nnn = LID digits - identifying country of origin o = octal digit (0 to 7; 8 and 9 invalid) x = any digit y = application-specific digitOne source indicated 811xxxxxx subscriber number range was for indicating fax calls i.e. prefix '81' to an Inmarsat-A subscriber number.
The following subscriber number ranges are in effect for +870:
Range Service/Allocation ===== ================== 0xxxxxxxx reserved (used in Inmarsat-A in +871 to +874) 1xxxxxxxx reserved (used in Inmarsat-A in +871 to +874) 2xxxxxxxx reserved for future 3xxxxxxxx B / Maritime - ordinary calls (except for ranges below) 38xxxxxxx B / Land - ordinary calls 39xxxxxxx B / Land and Maritime - high-speed data 40xxxxxxx C / Maritime - ordinary calls/messaging (except for ranges below) 48xxxxxxx C / reserved for future 49xxxxxxx C / Land - ordinary calls (messaging) 5xxxxxxxx Aeronautical / primary address (except for ranges below) 58xxxxxxx Aeronautical system/Alternate address 59xxxxxxx Aeronautical system/Special facilities 60xxxxxxx Fleet, GAN, Swift 64/Maritime mobile - ISDN calls 61xxxxxxx M / Maritime - ordinary calls 62xxxxxxx M / Maritime - ordinary calls 63xxxxxxx M / Maritime - ordinary calls 64xxxxxxx M / Maritime - ordinary calls 65xxxxxxx M / Maritime - ordinary calls 66xxxxxxx M / Maritime - ordinary calls 67xxxxxxx M / Maritime - ordinary calls 68xxxxxxx M / Land - ordinary calls 69xxxxxxx M / Land - ordinary calls 7xxxxxxxx reserved for future (except for ranges below) 76xxxxxxx Mini-M, GAN, Fleet/ordinary calls - Maritime or Land 77xxxxxxx BGAN - ordinary calls 78xxxxxxx BGAN - CS data (B-ISDN, 64 kb/s UDI); secure voice (including fax) 79xxxxxxx reserved for future 8xxxxxxxx reserved (range used in Inmarsat-A in +871 to +874) 9xxxxxxxx reserved for entry routing node identification
Range Service/Allocation ===== ================== 0xxxxxxxx A - group calls 1xxxxxx A - ordinary calls 2 reserved for future 3xxxxxxxx B / Maritime - ordinary (except for ranges below) 38xxxxxxx B / Land - ordinary 39xxxxxxx B / Land and Maritime - high-speed data 4xxxxxxxx C / Maritime - ordinary calls/messaging (except for ranges below) 48 C - reserved for future 49xxxxxxx C / Land - ordinary (messaging) 5xxxxxxxx Aeronautical / primary address (except for ranges below) 58xxxxxxx Aeronautical / alternate address 59xxxxxxx Aeronautical / special facilities 60xxxxxxx Fleet, GAN, Swift 64 / Maritime - ISDN 61xxxxxxx M / Maritime - ordinary 62xxxxxxx M / Maritime - ordinary 63xxxxxxx M / Maritime - ordinary 64xxxxxxx M / Maritime - ordinary 65xxxxxxx M / Maritime - ordinary 66xxxxxxx M / Maritime - ordinary 67xxxxxxx M / Maritime - ordinary 68xxxxxxx M / Land - ordinary 69xxxxxxx M / Land - ordinary 70xxxxxxx reserved for future 71xxxxxxx reserved for future 72xxxxxxx reserved for future 73xxxxxxx reserved for future 74xxxxxxx reserved for future 75xxxxxxx reserved for future 76xxxxxxx Mini-M, GAN, Fleet / ordinary - Maritime or Land 77 reserved for BGAN (used in +870 only) 78 reserved for BGAN (used in +870 only) 79 reserved for future 8xxxxxxxx A / special service terminations on ship 9 reserved for entry routing node identification
Carrier Telenor indicates that SNAC is in use for Inmarsat GAN, Inmarsat Mini-M (Mobiq), Inmarsat-M and Inmarsat-B services. Inmarsat-A still requires the separate regional country codes.
A target date of 1 July 2015 was initially reported for this consolidation.
However, an announcement from Inmarsat 20 January 2005 (via ITU) indicated the consolidation would complete by the end of 2009.
New Inmarsat services are to be offered on +870, rather than on the regional country codes from +871 to +874.
A separate report suggested ITU earlier proposed a 1 January 2009 deadline for consolidation, advanced from the original 2015 target.
References:
Report of 1 July 2015 implementation deadline: from Telenor Satellite Mobile.
Regarding 1 January 2009 advanced implementation: this report was issued by ETO, but is no longer available since ETO's activities were absorbed into ERO.
Source: Inmarsat article.
Numbers in this service are under country code +870, with initial 9-digit subscriber numbers beginning with 77 and 78 (that is, +870 77xxxxxxx or +870 78xxxxxxx format).
The initial announcement for this expansion only indicated new numbers in the +870 77... range.
Source: Inmarsat announcements via ITU (22 September 2005, updates previous announcement 24 December 2002).
BGAN numbering was also the topic of a discussion paper (via ATIS).
Also see references: Inmarsat announcement (20 January 2005, via ITU) Inmarsat document from Lietuvos Telekomas (Lithuania).
14 October 2002 ATIS presentation on Inmarsat (.ppt).
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International Freephone Service (UIFN) | +800 |
The International Freephone numbers are apparently 8 digits length following the country code +800. Effective with Time 'T', a maximum 12 digits following +800 are available for number expansion.
See ITU's information on International Freephone (UIFN) service.
Some international freephone information may be available via ICB Toll Free.
Also, there is an article which outlines problems of the UIFN implementation Total Telecom Article (International freephone is localized and costly, 19 February 2001).
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International Networks | +882, +883 |
See also, ITU List for +882 (in PDF format).
The following +882 assignments and reservations and were indicated as of April 2009, under the latest available listing. The following is subject to new, changed or cancelled entries. Each item in the following list consists of the +882 xx number, followed by the carrier and service.
@ at the end of a line indicates the numbering is assigned (otherwise, numbering is reserved, presumably pending service implementation):
Source: 88x-oration-87512_ww9.doc Oration Technologies announcement (22 July 2005, via ITU).
Emsat numbering is +882 13 aa xxxx where the "aa" portion is an "area code" representing a service provider, followed by 4 digits specifying the subscriber number.
Number ranges as of 12 December 2004:
Service Provider Number Range ---------------- ------------ EUTELSAT (France) 00 xxxx Intermatica (Italy) 03 xxxx Thetis (Monaco) 04 xxxx Intermatica (Italy) 07 xxxx Telecomm France (France) 10 xxxx Reserved France Telecom 10 xxxx Reserved France Telecom 11 xxxx Intermatica (Italy) 13 xxxx Varicom Lithuania 19 xxxx TDCOMM (France) 20 xxxx Intermatica (Italy) 23 xxxx WMC (Algeria) 25 xxxx AST (UK) 30 xxxx Marconi (UK) 30 xxxx Marconi (UK) 31 xxxx Intermatica 33 xxxx Intermatica (Italy) 39 xxxx Ronda (Spain) 40 xxxx Radiomidum (Iceland) 41 xxxx Intermatica (Italy) 43 xxxx Movisat (Spain) 45 xxxx Boatracs (Spain) 46 xxxx Telecomm France (France) 46 xxxx Intermatica (Italy) 48 xxxx CTC (Ukraine) 60 xxxx Markland (Georgia) 60 xxxx Trans World Com (Monaco) 60 xxxx Rartel (Romania) 60 xxxx VideoSuono (Greece) 64 xxxx Intermatica 65 xxxx Telespazio (Italy) 69 xxxx Telespazio (Italy Government) 70 xxxx Intermatica 76 xxxx Intermatica 81 xxxx MSP (Geolink FR) 85 xxxx MSP 2 (Geolink FR) 86 xxxx Proposed for Libya (Geolink FR) 87 xxxx Intermatica 88 xxxx Amik (Lebanon) 90 xxxx Intermatica 96 xxxx Telespazio (Access Intelcom SM) 98 xxxx Telespazio Operatore rete 99 xxxxSource: Telespazio announcement, 12 December 2004 (via ITU).
For clarification between +882 34 and +672, see Global Networks Switzerland announcement, 11 May 2004 via ITU.
The +882 34 numbering ranges are as follows (as of June 2004):
Number range Service type ============ ============ +882 34 1xx xxx... Carrier Selection and service numbers (variable digits) +882 34 5xx xxxxxx Fixed/VoIP mobile +882 34 7xx xxxxxx mobile GSM/UMTS/Mobitex +882 34 701 xxxxxx mobile MVNO +882 34 800 xxxxxx freephone +882 34 840 xxxxxx shared cost +882 34 85x xxxxxx voice mail (fixed) +882 34 86x xxxxxx voice mail (mobile) +882 34 900 xxxxxx premium (low cost) +882 34 903 xxxxxx premium (medium cost) +882 34 906 xxxxxx premium (high cost) +882 34 999 xxx... test numbers (variable digits)
ITU +881/+882/+883 assignments (MS Word format, old list)
The particular carrier company providing an iNum may be determined by the initial digit or two following +883 5100, such as seen in these examples:
Range Service ----- ------- +883 5100 01 xxxxxx Blasterphone +883 5100 04 xxxxxx Voxalot +883 5100 11 xxxxxx Mobivox +883 5100 7 xxxxxxx Gizmo5Sources:
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International Premium Rate Service (IPRS) | +979 |
Applications for UIPRN assignments will be accepted beginning 2 April 2001, according to the process outlined by ITU. UIPRNs will be assigned starting 7 May 2001.
UIPRN service will use country code +979, followed by a 1-digit charge band to indicate a category of call cost, then an 8-digit subscriber number. That is, the following formats of UIPRN will be seen:
Number format details are specified by ITU-T.
Information on the significance of the charge bands is unclear, and presumably to be defined by agreements among participating UIPRN carriers and could vary according to each participating nation.
Network Operators Bulletin (April 1999) makes reference to the International Premium Rate Service (IPRS), expected to be provided via country code 979.
(tip courtesy Vince Humphries, additional detail from ITU)
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International Shared Cost Service (ISCS) | +808 |
Applications for the Universal International Shared Cost Numbers (UISCN) for ISCS will be received from 2 May 2001, with UISCNs to be assigned from 7 June 2001. Details of the start-up schedule are available from ITU-T.
Information on ISCS and UISCNs is available from ITU-T.
A "national rate" service exists in some nations such as UK and Germany, to offer call charging between toll-free and regular long distance service.
ISCS is also described on the International Toll Free Forum.
The operation of International Shared Cost Service was defined in ITU Recommendation E.154.
(tip courtesy Vince Humphries)
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International Telecommunications Public Correspondence Service (ITPCS) | +991 |
However, the term Public Correspondence Service often refers to maritime radio systems (coastal or inland). This could have been conceived for a test of a new type of direct-dialled maritime radio service.
However, it was announced that an assignment under +991, specifically the range +991 001, was assigned to Neustar for trials of the ENUM scheme. ENUM seeks to link telephone numbering with Internet addressing. Neustar has a temporary assignment of +991 001 until 6 December 2002.
VISIONng was also approved in 2002 for an ENUM trial, using a number range within the UPT country code: +878 10.
Related information on ENUM:
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Telecommunications for Disaster Relief (TDR) | +888 |
This country code would allow temporary telephone numbering to be established in disaster-stricken regions where the conventional telecommunications service is unavailable. OCHA has exclusive rights to determine the numbering structure following the +888 country code. This would allow various UN agencies and operating locations to be integrated under +888 by specifying service digits after 888 then the agency number e.g. UNICEF numbers could be reached as +888 42 xxxxxxxx, if '42' were chosen as a prefix code for that agency. Numbering may be discontinued once a disaster situation is resolved, then reassigned for a later incident.
Under Mobile Country Code 901, Mobile Network Code 88 was also assigned for UN disaster relief purposes. The announcement of +888 also replaces country code +999 which was initially reserved for disaster relief service in ITU's February 2004 country code listing. +999 is now reserved for a "future global service".
Sources:
ITU Letter: Assignment of codes for United Nations Disaster Relief Activities (4 May 2007)
Annex to ITU Operational Bulletin #930 (15 April 2009, country code assignments)
Workshop on Telecommunications for Disaster Relief (TDR) conducted by ITU in Geneva 17-19 February 2003.
Minutes from ATIS Network Interconnection/Interoperability Forum (NIIF) indicated that Verizon submitted the proposal for country code 999 TDR to ITU's Study Group 2 in 2003. (ATIS/NIIF #22, point 32, link broken as of September 2009).
(additional report courtesy Tobias Wallin)
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Telex (teletype) | - - - |
ITU maintains the assignment of Telex country codes. Telex country codes have little in common with telephone country codes as the assigned numbers were radically different.
For list of telex country or destination codes (ITU Recommendation F.69), see 1999 ITU document on telex code assignments..
Telex country codes were 2 or 3 digits, with first digit indicating the world region or service:
Leading digit(s) Region/service
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0 (unused)
1 maritime mobile, other special service
2 North America
3 South America (except 37, 39)
37 Central America (integrated code)
39 some Caribbean areas
4 Europe, some North African nations
49 some Middle East
5 Europe
58 Maritime/satellite e.g. Inmarsat
6 Eastern Europe, Israel
7 Pacific
78 some Asia
79 Afghanistan
8 Asia
88 Iran
89 some Asia, some Middle East
9 Africa
See also these telex lists:codes list from Bulgarian telecom operator.
telex codes list from napishi.ru.
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Time 'T' (expanded numbering lengths) | - - - |
As of 31 December 1996, 2359 hours UTC, the maximum digit length to be allowed in international dialling was increased to fifteen digits. More digits are thus allowed within the various countries' numbering plans. This deadline was referred to as Time 'T'.
More information on Time 'T' can be found in a recent ITU information note.
Information from ITU-T Circular 14. Also older ITU circulars 128 and 180 had information on Time T. The Circulars can no longer be found on ITU's website.
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Universal Personal Telecommunications (UPT) | +878 |
Sources say that the reservation of +878 for UPT was decided at the May 1996 ITU-T Study Group 2 meeting, and listed as of the 1 March 1999 ITU Operational Bulletin.
There were no reports that any nations made use of this country code for testing or national purposes, however. There was also no explanation why 878 was sought for UPT service when other unused country code assignments were available. An evident speculation is that 878 spells out "UPT" on some telephone dial schemes.
As of early 2002, +878 10 range of numbers was assigned to VISIONng for use in an ENUM trial. See ENUM information in ITPCS for other references to ENUM development.
(From ITU-T Circular 191, apparently moved or eliminated from the web. Additional tip of August 1999 courtesy Vince Humphries)
In June 2004, a press release announced that Sentiro (Telesoft) was to deploy the first worldwide commercial ENUM service. Numbers in the +878 10 7472 range were to be used to provide a worldwide portability for various types of voice and data communications. (Source: Boardwatch, 4 June 2004, Analysis of telecom software, services, and strategy.
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Management of Country Code assignments | - - - |
Also, a new ITU-T Recommendation E.195 will specify the ITU's numbering resources administration. The ITU is expected to form a Numbering Administration Group (NAG) as part of its Telecommunication Standardization Bureau (TSB), to handle telecommunications numbering assignments such as telephone country codes, telex country codes, Universal International Freephone Numbers, or other numbering resources for which the ITU would be responsible.
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Other International Notes | - - - |
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