Personal communications service (NANP)

In telecommunication, a personal communications service is defined by the Alliance for Telecommunications Industry Solutions (ATIS) as "a set of capabilities that allows some combination of personal mobility, terminal mobility, and service profile management".[1]

This article is about the North American Numbering Plan 5XX area codes. For the mobile phone technology, see Personal Communications Service.
"500 number" redirects here. For the natural number, see 500 (number).

Personal communications services use a special non-geographic area code of the format 5XX for assigning telephone numbers for service instances.[2]

The designation of the 5XX area code format was authorized by the United States Federal Communications Commission, and introduced into the North American Numbering Plan in 1995.

United States

In 1993, the North American Numbering Plan designated area code 500 for personal communication services. An initial service concept was that customers could move a given seven-digit telephone number when relocating between numbering plan areas. The 500-code would thus be a non-geographic area code.

In 1995, AT&T introduced a "follow-me" service under the brand name of AT&T True Connections using area code 500. It was designed to replace the AT&T EasyReach 700 service.[3] Other local exchange carriers and interexchange carriers introduced similar competitive services. With the rise of mobile devices such as mobile phones and pagers, making the service all but superfluous, AT&T True Connections and their competitors failed quickly.

Companies, hotels, and others with PBX equipment continued to block the dialing of 500 because it was a caller-paid number. It was also misused by premium rate services such as phone sex lines, with it being used to forward calls to various foreign countries.[4] The prefix was also used by some Internet service providers to allow non-subscribers to dial into their systems for dial-up Internet access.[5]

In 1996, AT&T attempted to migrate users to its revised service called "Personal Reach" 800, built on a toll-free (receiver-paid) platform rather than the original (caller-paid) 500 program.[6][7] AT&T has a US patent (5,907,811) on "personal reach service".[8]

AT&T then licensed and transferred all personal reach services to MCE, Inc. MCE was supposedly the company providing the back-end system for all personal reach services to AT&T. No public information was released on the transfer away from AT&T. Subscribers were notified by mail that bills would begin to arrive from MCE instead of AT&T. It is also believed that MCE is a subsidiary of EMNS, Inc., a web hosting company in Chicago. MCE continues to supply personal reach service using the AT&T transport network.

AT&T discontinued AT&T True Connections in 2000, following the Federal Communications Commission approval of its tariff to cease providing the service.

The numbering resources are now designated 5XX-NXX in NANP and are used for machine to machine communication.[9]

Although AT&T no longer uses the 500 code, it was supplemented by 533 in 2009, followed by 544 in December 2010. The 566 code was activated in April 2012.[10] In March 2014, the 577 code was also activated.[11] In September 2015 the 588 code was activated. In August 2016 the 522 code was activated. In September 2017 the 521 code was activated. In November 2018 the 523 code was activated. In September 2019 the 524 code was activated.[12] In July 2020 the 525 code was activated.[13] In January 2021 the 526 code was activated.[14] Other codes in reserve for this use: 527, 528, 529, 532, 535, 538, 542, 543, 545, 546, 547, 549, 550, 552, 553, 554, 556, 558, 569, 578, and 589.[15][16][17]

On February 11, 2022, 103 of the 5XX-NXX codes were reported as available for assignment and the code 528 was designated as the next NPA code to be assigned.[18] On March 2, 2022, the NANPA announced the initiation of NPA 528.[19]

On August 29, 2022, 193 of the 5XX-NXX codes were reported as available for assignment and the code 529 was designated as the next NPA code to be assigned.[20] On September 16, 2022, the NANPA announced the initiation of NPA 529.[21]

Canada

In 2015, the Canadian Radio-television and Telecommunications Commission (CRTC) approved the Canadian Non-Geographic Code Assignment Guideline and the assignment of the 622, 633, 644, 655, 677, and 688 non-geographic numbering plan area (NPA) codes to meet the demand for telephone numbers related to technologies such as machine-to-machine applications. The first 6YY NPA to be used is 622 NPA, with additional numbers requested when 622 approaches exhaustion.[22]

See also

References
  1. "Personal Communications Services (PCS) 5YY NXX Code Assignment Guidelines". Alliance for Telecommunications Industry Solutions. 2008-06-30. Retrieved 2008-08-28.
  2. "Assignment of NPA 544 for Personal Communications Services (PCS)" (PDF). NANPA. 2010-09-28. Retrieved 2010-09-28.
  3. Dresser, Michael (7 July 1994). "AT&T Offers Global 'Number For Life'". Baltimore Sun. Retrieved 2023-02-17.
  4. "LincMad Non-geographic Area Codes". Lincmad.com. Retrieved 2009-09-04.
  5. Roman Olynyk (2006-12-14). "Dialup Telephone Numbers for non-Verizon customers". Wvnet.edu. Archived from the original on 2010-02-14. Retrieved 2009-09-04.
  6. "Toll-Free AT&T service lets callers reach travelers, business people anytime, anywhere". Findarticles.com. 1996-01-30. Retrieved 2009-09-04.
  7. "AT&T Personal Reach Service". Archived from the original on 2000-08-15. Retrieved 2009-09-04.
  8. "Personal reach service with paging and optional point of entry via cellular network - Patent 5907811". Freepatentsonline.com. Retrieved 2009-09-04.
  9. "NANPA : Numbering Resources - 5XX-NXX Assignments". www.nationalnanpa.com. Retrieved 2023-02-17.
  10. "Planning Letter 436: Assignment of NPA 566 for Personal Communications Services (PCS)" (PDF). NANPA. 2012-04-17. Retrieved 2012-07-12.
  11. "Planning Letter 466: Assignment of NPA 577 for Non-Geographic Services" (PDF). NANPA. 2014-03-28. Retrieved 2014-04-22.
  12. "NPAs Introduced over the Last 10 Years". nationalnanpa.com. Retrieved 13 March 2020.
  13. "Planning Letter PL-542" (PDF).
  14. "Planning Letter PL-558" (PDF).
  15. "Planning Letter 372: Assignment of NPA 533 for Personal Communications Services (PCS)" (PDF). NANPA. 2008-01-03. Retrieved 2008-08-28.
  16. "Planning Letter 379: Assignment of NPA 533 for Personal Communications Services (PCS)" (PDF). NANPA. 2008-05-23. Retrieved 2008-08-28.
  17. "Personal Communications Service (NANP): Numbering Resources-5XX". NANPA. Retrieved 2012-04-06.
  18. "Assignment of NPA 528 for Non-Geographic Services" (PDF). NANPA. 2022-02-11. Retrieved 2022-12-02.
  19. "Assignment from NPA 528 for Non-Geographic Services" (PDF). NANPA. 2022-03-02. Retrieved 2022-12-02.
  20. "Assignment of NPA 529 for Non-Geographic Services" (PDF). NANPA. 2022-08-29. Retrieved 2022-12-02.
  21. "Assignment from NPA 529 for Non-Geographic Services" (PDF). NANPA. 2022-09-16. Retrieved 2022-12-02.
  22. Canadian Numbering Administrator (2015-02-26). "Planning Letter PL-478, Assignment of NPA 622 for Non-Geographic Services" (PDF). NANPA.
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