Bellcore Letter

Tcx Recipients of North American Numbering Plan Information. EnlitJed~ Unrestricted

From: R. R. Conners,Director -North AmericanNumbering Plan Administration

A1Im8d

This IL provides industry notification of the impending split of the 416 NPA.

(Includes safety liability disclaimer (if applicablc), ordering information, originator's signatu~ information)

We have been advised by Bell Canada that substantial telephone number growth in the area necessitatessplitting the existing 416 NPA (area code) and the simultaneous introduction of a new 905 NPA Both NPAs will have interchangeablecentral office codes (i.e., the second digit of a central office code may be any digit 0-9). The new 905 NPA will serve the area surrounding Metro Toronto and will include cities such as , Hamilton, Oshawa, and Niagara Falls. The 416 NPA will continue to serve the six boroughs that comprise Metro Toronto (i.e., Toronto, Scarborough,York, , , and ). The split of the 416 NPA is scheduled for 2:00 AM Eastern Standard Time., Saturday, October 2,1993. There will be a permissive dialing period starting 2:00 AM Eastern Standard Time, Saturday, October 2, 1993 and ending at 2:00 AM Eastern Daylight SaVingsTime, Saturday March 26, 1994. During the permissive dialing period either 416 or 905 will be acceptable in a dialed number terminating in the new NPA. After the permissive period, calls dialed with incorrect NPA codes will be routed to intercept. Switching systemsin the new 9Or::!A"Will begin transmitting "905" in the calling number Automatic Number Identification (ANI) on October 1, 1992.1'" All ANI changeswill be completed by January 1, 1994. Test calls to verify routing to the ~~~ NPA can be made by calling 905-206-0000. This test number will become available on September 1, 1993, and remain operational for a minimum of 30 days after the end of the permissive period.

The attached map illustrates the 416 and 905 configuration after the split. A listing of, the communities to be served by each area code after the split is also attached. Canadian routing information is not included in Bellcore's LERG. Bell Canada will be mailing a list of 416 and 905 NXXs to its customers. ~/ \ \, J\,\, Bellcore Letter ~ Bellcore \' @ Be8COfTVnunicaIions Researcl1 Continuation ,'\\, \

Lcttcr Nlmtlcr . 1'I)'pe I Dare P.ge IL-92/09-046 Infor:mation ~ctober 01.1992 ,2 Title PnJjed NImDer(s)'422402 Split of 416(, Canada) Numbering Plan Area.

The dialing plan for the new 905 NP A will be the same as the existing dialing plan for the 416 NPA: -All home NPA (HNPA) "local" calls (generally calls that do no't incur a charge) must be dialed on a 7 digit basis with no prefIx; i.e., NXX + XXXX (7 digits). -All home NPA (HNPA) direct dialed "toll" calls (generally calls that incur a charge) _mustbe dialed with a prefix "1" and 10 digits; i.e., 1 + HNPA + NXX + XXXX (1 + 10 digits) rt -All "local" calIs (generally calls that do not incur a charge) between the 416 and 905 NPAs will will be dialed on a 10 digit basis with no prefIx; i.e., 416 + NXX + XXXX or 905 + NXX + x.xxx (10 digits). -All foreign NPA (FNPA) direct dialed "toll" calls must be dialed with a prefIX "1" and 10 digits; i.e., 1 + FNPA + NXX + XXXX (1 + 10 digits). -Operator assisted calls including credit card calls, collect, and third party calls will be dialed with a "0" prefix and 10 digits; i.e., 0 + NPA + NXX + XXXX (0 + 10 digits).

Operational questions concerning the split of the 416 and the introduction of the new 905 NPA may be referred to Jim Rivett, Bell Canada, on (416) 581-7557or Vic Doughty, Bell Canada, on (416) 353-3639. Copies of this letter are being forwarded to achieve the widest possible industry distribution and may be reproduced for further distribution as needed. Questions concerning the contents of this letter may be \ referred to Garry Benoit, Bellcore, at (201) 740-4592.

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AFFECTEDCOMMUNITIES

REMAINING IN 416 NPA CHANGING TO 905 NPA

TORONTO CASTLETON COLBORNE SCARBOROUGH ROSENEATH GRAFTON YORK COLD SPRINGS COBOURG NORTH YORK GARDEN HILL WELCOME EAST YORK. PORT HOPE ORONO ETOBICOKE NEWTONVILLE BLACKSTOCK HAMPTON BOWMANVI LLE r PORT PERRY BROOKLIN OSHAWA UXBRIDGE CLAREMONT AJAX SUTTON MOUNT ALBERT STOUFFVILLE MARKHAM KESWICK QUEENSVILLE NEWMARKET AURORA GORMLEY UNIONVILLE BRADFORD NOBLETON KING CITY THORNHILL .MAPLE MALTON MISSISSAUGA PORT CREDIT OAKVILLE HAMILTON STONEY CREEK BEETON SCHOMBERG PALGRAVE BOLTON TOTTEN:HAM CALEDON EAST VICTORIA GEORGETOWN CAMPBELLVILLE MILTON BURLINGTON DUNDAS FREELTON MOUNT HOPE ANCASTER BINBROOK BETHESDA THOROLD CALEDONIA WINONA BEAMSVILLE WEST. LINCOLN CAYUGA HAGERSVILLE FISHERVILLE DUNNVILLE SELKIRK VINELAND ST. CATHARINES WELLAND PELHAM PORT ROBINSON WAINFLEET STEVENSVILLE NIAGARA FALLS FORT ERIE RIDGEWAY D. O. Baechler PORT COLBORNE CLARKSON STREET8VILLE Bellcore WATERDOWN MRE-1F141 OAK RIDGES RICHMOND HILL WHITBY WOODBRIDGE WELLANDPORT PICKERING CASTLEMORE ~ CHIPPAWA COOKSVILLE ERIN MILLS GRIMSBY