Calling to a Universal Personal Telecommunications Service (UPT) phone number
International freephone service phone numbers explained
Phone number structure
Phone numbers are ten digits.
There is no geographic placement of +878 numbers. They can be located anywhere.
An international freephone number may be ‘attached’ to a regular land-line (fixed line) phone, a mobile, VoIP, or a satellite phone system.
Calling from a UPT Number
UPT numbers are intended for inbound calls only.
Administrative and regulatory
- ITU (International Telecommunications Union) – United Nations specalized agency for information and communications technologies
- International Telecommunications Union – DIALLING PROCEDURES (INTERNATIONAL PREFIX, NATIONAL (TRUNK) PREFIX AND NATIONAL (SIGNIFICANT) NUMBER) (IN ACCORDANCE WITH ITU-T RECOMMENDATION E.164 (11/2010)) – collection of dialing procedures for all countries and regions of the world. Retrieved 16 September 2016
- International Telecommunications Union –SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation – Numbering plan of the international telephone service Application of E.164 numbering plan for UPT – full technical description of the ITU +878 UPT numbers.
- International Telecommunications Union – SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation – Numbering plan of the international telephone service Application of E.164 numbering plan for UPT Amendment 1: New Appendix I – appendix to E.164
Sources and more resources
- International Telecommunications Union – UFIN – Summary of UFIN phone service and how they can be obtained.
- ITU – First Mobile Phones, Now Mobile Numbers – ITU allocates code for Universal Personal Telecommunications Number – press release announcing UPT phone numbers.
- Wikipedia – Universal Personal Telecommunications – Wikipedia entry for telephone number information for UPT services.