HISTORY

Index

1946 Proposal
1947 Final Plan
1948 - 1959
1960 - 1969
1970 - 1979
1980 - 1989
1990 - 1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009

  

  

NANP Area Code History: 1960 - 1969

Now that the system was up and running for most everyone except the far-flung rural customers (who relied on Ernestine to connect their calls anyhow), realignments and expansion took place in earnest. Mexico was even added to the system!
   

    

Old

New
Type

State (linked): Geographic Description
( Map Link )  [ Test Number ]

Permissive
----
Mandatory

616
 

906
split

MI: Upper Peninsula
(NO MAP) [NO TEST#]

01/01/61*
07/01/61*

506
 

709
split

NF and Labrador: Entire geographic area
(NO MAP) [NO TEST#]

01/01/62*
07/01/62*
NEW 510
610
710
810
910

US/Canadian Regional TWX/WADS Service:

510 - US (Non-WADS)
610 - Canada
710 - Northeast US*
810 - Midwest/Southern US*
910 - Central/Western US*

* TWX/WADS Switching Plan

 08/01/62
NEW
 		 903
 		 Mexico: Direct-dialable border towns billing to ring-down
points.		 08/01/62
705
 		 807
split		 ON: Western / Northern portions of the province
(NO MAP) [NO TEST#]		 07/01/62*
01/01/63*
305
 		 904
split		 FL: All points north of Tampa, Orlando
(NO MAP) [NO TEST#]		 07/06/65
01/01/66
NEW 800 WATS: AT&T did not formally implement the full infrastructure necessary and begin assigning 800 numbers until sometime in 1967 04/01/66
NEW
 		 905
 		 Mexico: Direct-dialable points in Mexico City. 01/01/69*

NANPA FCC Telecom Digest NANC CNAC