Number Format
Area Code: 3 digits
Subscriber Number: 7 digits
Trunk Prefix: 1
International Prefix: 011
General information
Puerto Rico is part of the North American
Numbering Plan.
For other details, see also Caribbean Nations.
For information on central office (NXX) codes assigned in Puerto Rico
see: http://www.telefonicapr.com/spanish.d/about.d/nuevo.htm.
Another page of interest is:
Notice
of Network Changes.
(tips courtesy Mark Cuccia)
15 September 2001 - +1 939 overlay for Puerto Rico
New area code +1 939 took effect 15 September 2001 as an overlay to
+1 787 - both codes are used for subscriber numbers throughout
Puerto Rico.
April 2000 - 1 + 10 digit dialling for toll calls within island
Puerto Rico callers must dial '1' followed by the area code (787) and suscriber
number for all long distance calls within Puerto Rico by 1 November 2000.
A permissive dialling period was to begin April 2000, where old and new
toll call formats could be accepted, until the mandatory dialling date
of 1 November 2000.
This change was made by order of the Puerto Rico Telecommunications
Regulatory Board (PRTRB) in October 1999.
See Telefonica
PR - Notice of Network Changes for details.
1 March 1996 - +1 787 replaces +1 809
Area code +1 787 replaced the existing overall Caribbean/Atlantic code
+1 809 in Puerto Rico starting 1 March 1996 in permissive mode,
and becoming mandatory 31 January 1997. Existing 7-digit subscriber numbers
were retained.
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