NPA | Country | Time Difference (From GMT) | State | State Abbrv. | Service Date | Comments |
334 | USA | -6 | Alabama | AL | 15 Jan 1995 | |
360 | USA | -8 | Washington | WA | 15 Jan 1995 | |
520 | USA | -7 | Arizona | AZ | 19 Mar 1995 | |
970 | USA | -7 | Colorado | CO | 02 Apr 1995 | |
423 | USA | -5 to -6 | Tennessee | TN | 27 Apr 1995 | |
941 | USA | -5 to -6 | Florida | FL | 28 May 1995 | |
540 | USA | -5 | Virginia | VA | 15 Jul 1995 | |
770 | USA | -5 | Georgia | GA | 01 Aug 1995 | |
860 | USA | -5 | Connecticut | CT | 28 Aug 1995 | |
954 | USA | -5 to -6 | Florida | FL | 11 Sep 1995 | |
441 | BERMUDA | -4 | | | 01 Oct 1995 | |
541 | USA | -8 | Oregon | OR | 05 Nov 1995 | |
352 | USA | -5 to -6 | Florida | FL | 03 Dec 1995 | |
864 | USA | -5 | South Carolina | SC | 03 Dec 1995 | |
573 | USA | -5 | Missouri | MO | 07 Jan 1996 | |
847 | USA | -6 | Illinois | IL | 20 Jan 1996 | |
787 | PUERTO RICO | -4 | | PR | 01 Mar 1996 | |
888 | NANP Area | -5 to -10 | Toll Free | | 01 Mar 1996 | |
330 | USA | -5 | Ohio | OH | 09 Mar 1996 | |
320 | USA | -6 | Minnesota | MN | 17 Mar 1996 | |
268 | ANTIGUA AND BARBUDA | -4 | | | 01 Apr 1996 | |
561 | USA | -5 to -6 | Florida | FL | 13 May 1996 | |
757 | USA | -5 | Virginia | VA | 01 Jul 1996 | |
758 | ST LUCIA | -4 | | | 01 Jul 1996 | |
664 | MONTSERRAT | -4 | | | 01 Jul 1996 | |
246 | BARBADOS | -4 | | | 01 Jul 1996 | |
630 | USA | -6 | Illinois | IL | 03 Aug 1996 | |
345 | CAYMAN ISLANDS | -5 | | | 01 Sep 1996 | |
972 | USA | -6 to -7 | Texas | TX | 14 Sep 1996 | |
937 | USA | -5 | Ohio | OH | 28 Sep 1996 | |
869 | ST KITTS AND NEVIS | -4 | | | 01 Oct 1996 | |
242 | BAHAMAS | -5 | | | 01 Oct 1996 | |
773 | USA | -6 | Illinois | IL | 12 Oct 1996 | |
250 | CANADA | -8 | British Columbia | | 19 Oct 1996 | |
281 | USA | -6 to -7 | Texas | TX | 02 Nov 1996 | |
562 | USA | -8 | California | CA | 25 Jan 1997 | |
765 | USA | -5 | Indiana | IN | 01 Feb 1997 | |
760 | USA | -8 | California | CA | 22 Mar 1997 | |
264 | ANGUILLA | -4 | | | 31 Mar 1997 | |
870 | USA | -6 | Arkansas | AR | 14 Apr 1997 | |
876 | JAMAICA | -5 | | | 14 Apr 1997 | |
253 | USA | -8 | Washington | WA | 27 Apr 1997 | |
425 | USA | -8 | Washington | WA | 27 Apr 1997 | |
248 | USA | -5 | Michigan | MI | 10 May 1997 | |
254 | USA | -6 to -7 | Texas | TX | 25 May 1997 | |
940 | USA | -6 to -7 | Texas | TX | 25 May 1997 | |
973 | USA | -5 | New Jersey | NJ | 01 Jun 1997 | |
868 | TRINIDAD AND TOBAGO | -4 | | | 01 Jun 1997 | |
240 | USA | -5 | Maryland | MD | 01 Jun 1997 | |
443 | USA | -5 | Maryland | MD | 01 Jun 1997 | |
340 | VIRGIN ISLANDS (US) | -4 | | | 01 Jun 1997 | |
732 | USA | -5 | New Jersey | NJ | 01 Jun 1997 | |
649 | TURKS AND CAICOS ISLANDS | -5 | | | 01 Jun 1997 | |
626 | USA | -8 | California | CA | 14 Jun 1997 | |
850 | USA | -5 to -6 | Florida | FL | 23 Jun 1997 | |
670 | NORTHERN MARIANAS (CNMI) | 10 | | | 01 Jul 1997 | |
671 | GUAM | 10 | | | 01 Jul 1997 | |
830 | USA | -6 to -7 | Texas | TX | 07 Jul 1997 | |
843 | USA | -5 | South Carolina | SC | 07 Jul 1997 | |
956 | USA | -6 to -7 | Texas | TX | 07 Jul 1997 | |
785 | USA | -6 | Kansas | KS | 20 Jul 1997 | |
920 | USA | -6 | Wisconsin | WI | 26 Jul 1997 | |
650 | USA | -8 | California | CA | 02 Aug 1997 | |
440 | USA | -5 | Ohio | OH | 16 Aug 1997 | |
781 | USA | -5 | Massachusetts | MA | 01 Sep 1997 | |
978 | USA | -5 | Massachusetts | MA | 01 Sep 1997 | |
931 | USA | -5 to -6 | Tennessee | TN | 15 Sep 1997 | |
228 | USA | -6 | Mississippi | MS | 15 Sep 1997 | |
435 | USA | -7 | Utah | UT | 21 Sep 1997 | |
284 | TORTOLA | -4 | | | 01 Oct 1997 | Also known as British Virgin Islands |
284 | British Virgin Islands | -4 | | | 01 Oct 1997 | Also known as TORTOLA |
284 | Virgin Islands (UK) | -4 | | | 01 Oct 1997 | Also known as TORTOLA |
767 | DOMINICA | -4 | | | 01 Oct 1997 | |
660 | USA | -5 | Missouri | MO | 12 Oct 1997 | |
867 | CANADA | -5 to -8 | Yukon and Northwest Territories and Nunavut | | 21 Oct 1997 | |
473 | GRENADA | -4 | | | 31 Oct 1997 | |
530 | USA | -8 | California | CA | 01 Nov 1997 | |
580 | USA | -6 | Oklahoma | OK | 01 Nov 1997 | |
740 | USA | -5 | Ohio | OH | 06 Dec 1997 | |
734 | USA | -5 | Michigan | MI | 13 Dec 1997 | |
336 | USA | -5 | North Carolina | NC | 15 Dec 1997 | |
724 | USA | -5 | Pennsylvania | PA | 01 Feb 1998 | |
786 | USA | -5 to -6 | Florida | FL | 01 Mar 1998 | |
925 | USA | -8 | California | CA | 14 Mar 1998 | |
828 | USA | -5 | North Carolina | NC | 22 Mar 1998 | |
252 | USA | -5 | North Carolina | NC | 22 Mar 1998 | |
256 | USA | -6 | Alabama | AL | 23 Mar 1998 | |
877 | NANP Area | | Toll Free | | 04 Apr 1998 | |
949 | USA | -8 | California | CA | 18 Apr 1998 | |
678 | USA | -5 | Georgia | GA | 01 Jun 1998 | |
720 | USA | -7 | Colorado | CO | 01 Jun 1998 | |
784 | ST VINCENT AND THE GRENADINES | -4 | | | 01 Jun 1998 | |
323 | USA | -8 | California | CA | 13 Jun 1998 | |
450 | CANADA | -5 | Quebec | | 13 Jun 1998 | |
727 | USA | -5 to -6 | Florida | FL | 01 Jul 1998 | |
831 | USA | -8 | California | CA | 11 Jul 1998 | |
651 | USA | -6 | Minnesota | MN | 12 Jul 1998 | |
225 | USA | -6 | Louisiana | LA | 17 Aug 1998 | |
559 | USA | -8 | California | CA | 14 Nov 1998 | |
570 | USA | -5 | Pennsylvania | PA | 05 Dec 1998 | |
775 | USA | -8 | Nevada | NV | 12 Dec 1998 | |
832 | USA | -6 to -7 | Texas | TX | 16 Jan 1999 | |
661 | USA | -8 | California | CA | 13 Feb 1999 | |
361 | USA | -6 to -7 | Texas | TX | 13 Feb 1999 | |
480 | USA | -7 | Arizona | AZ | 01 Mar 1999 | |
623 | USA | -7 | Arizona | AZ | 01 Mar 1999 | |
662 | USA | -6 | Mississippi | MS | 19 Apr 1999 | |
270 | USA | -5 | Kentucky | KY | 19 Apr 1999 | |
231 | USA | -5 | Michigan | MI | 06 May 1999 | |
780 | CANADA | -7 | Alberta | | 18 May 1999 | |
636 | USA | -5 | Missouri | MO | 22 May 1999 | |
484 | USA | -5 | Pennsylvania | PA | 05 Jun 1999 | |
856 | USA | -5 | New Jersey | NJ | 12 Jun 1999 | |
858 | USA | -8 | California | CA | 12 Jun 1999 | |
935 | USA | -8 | California | CA | 12 Jun 1999 | |
646 | USA | -5 | New York | NY | 01 Jul 1999 | |
267 | USA | -5 | Pennsylvania | PA | 01 Jul 1999 | |
469 | USA | -6 to -7 | Texas | TX | 01 Jul 1999 | |
863 | USA | -5 to -6 | Florida | FL | 20 Sep 1999 | |
262 | USA | -6 | Wisconsin | WI | 25 Sep 1999 | |
347 | USA | -5 | New York | NY | 01 Oct 1999 | |
337 | USA | -6 | Louisiana | LA | 11 Oct 1999 | |
321 | USA | -5 to -6 | Florida | FL | 01 Nov 1999 | |
631 | USA | -5 | New York | NY | 01 Nov 1999 | |
865 | USA | -5 to -6 | Tennessee | TN | 01 Nov 1999 | |
936 | USA | -6 to -7 | Texas | TX | 19 Feb 2000 | |
979 | USA | -6 to -7 | Texas | TX | 19 Feb 2000 | |
952 | USA | -6 | Minnesota | MN | 27 Feb 2000 | |
763 | USA | -6 | Minnesota | MN | 27 Feb 2000 | |
571 | USA | -5 | Virginia | VA | 01 Mar 2000 | |
859 | USA | -5 | Kentucky | KY | 01 Apr 2000 | |
845 | USA | -5 | New York | NY | 05 Jun 2000 | |
641 | USA | -6 | Iowa | IA | 09 Jul 2000 | |
866 | NANP Area | -5 to -10 | Toll Free | | 29 Jul 2000 | |
229 | USA | -5 | Georgia | GA | 01 Aug 2000 | |
478 | USA | -5 | Georgia | GA | 01 Aug 2000 | |
971 | USA | -8 | Oregon | OR | 01 Oct 2000 | |
682 | USA | -6 to -7 | Texas | TX | 07 Oct 2000 | |
234 | USA | -5 | Ohio | OH | 30 Oct 2000 | |
620 | USA | -6 | Kansas | KS | 03 Feb 2001 | |
731 | USA | -5 to -6 | Tennessee | TN | 12 Feb 2001 | |
985 | USA | -6 | Louisiana | LA | 12 Feb 2001 | |
386 | USA | -5 to -6 | Florida | FL | 15 Feb 2001 | |
647 | CANADA | -5 | Ontario | | 05 Mar 2001 | |
563 | USA | -6 | Iowa | IA | 25 Mar 2001 | |
980 | USA | -5 | North Carolina | NC | 01 Apr 2001 | |
989 | USA | -5 | Michigan | MI | 07 Apr 2001 | |
857 | USA | -5 | Massachusetts | MA | 02 May 2001 | |
774 | USA | -5 | Massachusetts | MA | 02 May 2001 | |
339 | USA | -5 | Massachusetts | MA | 02 May 2001 | |
351 | USA | -5 | Massachusetts | MA | 02 May 2001 | |
434 | USA | -5 | Virginia | VA | 01 Jun 2001 | |
289 | CANADA | -5 | Ontario | | 09 Jun 2001 | |
251 | USA | -6 | Alabama | AL | 18 Jun 2001 | |
928 | USA | -7 | Arizona | AZ | 23 Jun 2001 | |
862 | USA | -5 | New Jersey | NJ | 01 Jul 2001 | |
848 | USA | -5 | New Jersey | NJ | 01 Jul 2001 | |
551 | USA | -5 | New Jersey | NJ | 01 Jul 2001 | |
878 | USA | -5 | Pennsylvania | PA | 12 Jul 2001 | |
939 | PUERTO RICO | -4 | | PR | 15 Jul 2001 | |
754 | USA | -5 to -6 | Florida | FL | 01 Sep 2001 | |
276 | USA | -5 | Virginia | VA | 01 Sep 2001 | |
586 | USA | -5 | Michigan | MI | 22 Sep 2001 | |
778 | CANADA | -8 | British Columbia | | 03 Nov 2001 | |
585 | USA | -5 | New York | NY | 15 Nov 2001 | |
567 | USA | -5 | Ohio | OH | 01 Dec 2001 | |
224 | USA | -6 | Illinois | IL | 05 Jan 2002 | |
260 | USA | -5 | Indiana | IN | 15 Jan 2002 | |
574 | USA | -5 | Indiana | IN | 15 Jan 2002 | |
479 | USA | -7 | Arizona | AZ | 19 Jan 2002 | |
947 | USA | -5 | Michigan | MI | 26 Jan 2002 | |
772 | USA | -5 to -6 | Florida | FL | 11 Feb 2002 | |
239 | USA | -5 to -6 | Florida | FL | 11 Mar 2002 | |
269 | USA | -5 | Michigan | MI | 13 Jul 2002 | |
430 | USA | -6 to -7 | Texas | TX | 20 Jul 2002 | |
432 | USA | -6 to -7 | Texas | TX | 05 Apr 2003 | |
325 | USA | -6 to -7 | Texas | TX | 05 Apr 2003 | |
951 | USA | -8 | California | CA | 17 Jul 2004 | |
769 | USA | -6 | Mississippi | MS | 19 Jul 2004 | |
684 | AMERICAN SAMOA | -11 | | | 02 Oct 2004 | |
829 | DOMINICAN REPUBLIC | -4 | | | 01 Aug 2005 | |
438 | CANADA | -5 | Quebec | | 24 Sep 2005 | |
762 | USA | -5 | Georgia | GA | 01 Dec 2005 | |
424 | USA | -8 | California | CA | 31 Dec 2005 | |
226 | CANADA | -5 | Ontario | | 21 Oct 2006 | |
779 | USA | -6 | Illinois | IL | 19 Nov 2006 | |
575 | USA | -7 | New Mexico | NM | 07 Oct 2007 | |
331 | USA | -6 | Illinois | IL | 07 Oct 2007 | |
385 | USA | -7 | Utah | UT | 01 Jun 2008 | |
681 | USA | -5 | West Virginia | WV | 26 Jul 2008 | |
657 | USA | -8 | California | CA | 23 Aug 2008 | |
581 | CANADA | -5 | Quebec | | 19 Sep 2008 | |
587 | CANADA | -7 | Alberta | | 19 Sep 2008 | |
747 | USA | -8 | California | CA | 11 Oct 2008 | |
442 | USA | -8 | California | CA | 08 Nov 2008 | |
849 | DOMINICAN REPUBLIC | 4 | | | 01 Jul 2009 | |
458 | USA | -8 | Oregon | OR | 12 Jul 2009 | |
959 | USA | -5 | Connecticut | CT | 16 Jul 2009 | |
475 | USA | -5 | Connecticut | CT | 16 Jul 2009 | |
533 | NANP Area | | | | 26 Sep 2009 | |
534 | USA | -6 | Wisconsin | WI | 17 Oct 2009 | |
938 | USA | -6 | Alabama | AL | 07 Nov 2009 | |
872 | USA | -6 | Illinois | IL | 07 Nov 2009 | |
470 | USA | -5 | Georgia | GA | 26 Feb 2010 | |
343 | CANADA | -5 | Ontario | | 17 May 2010 | |
531 | USA | -6 | Nebraska | NE | 26 Jun 2010 | |
539 | USA | -6 | Oklahoma | OK | 07 Aug 2010 | |
579 | CANADA | -5 | Quebec | | 21 Aug 2010 | |
855 | NANP Area | -5 to -10 | Toll Free | | 10 Sep 2010 | |
544 | NANP Area | | | | 15 Dec 2010 | Covers all of World Zone 1 |
249 | CANADA | -5 | Ontario | | 19 Mar 2011 | |
929 | USA | -5 | New York | NY | 16 Apr 2011 | |
721 | SINT MAARTEN | -4 | | | 30 Sep 2011 | Part of Netherlands Antilles (until October 2011) |
984 | USA | -5 | North Carolina | NC | 01 Dec 2011 | |
667 | USA | -5 | Maryland | MD | 24 Mar 2012 | |
566 | NANP Area | -5 to -10 | | | 17 Apr 2012 | |
327 | USA | -6 | Arkansas | AR | 20 Oct 2012 | |
431 | CANADA | -6 | Manitoba | | 03 Nov 2012 | |
669 | USA | -8 | California | CA | 20 Nov 2012 | |
737 | USA | -6 to -7 | Texas | TX | 01 Dec 2012 | |
437 | CANADA | -5 | Ontario | | 25 Mar 2013 | |
365 | CANADA | -5 | Ontario | | 25 Mar 2013 | |
274 | USA | -6 | Wisconsin | WI | 04 May 2013 | |
639 | CANADA | -6 | Saskatchewan | | 25 May 2013 | |
236 | CANADA | -8 | British Columbia | | 01 Jun 2013 | |
873 | CANADA | -5 | Quebec | | 01 Jun 2013 | |
725 | USA | -8 | Nevada | NV | 03 Aug 2013 | |
364 | USA | -5 | Kentucky | KY | 03 Aug 2013 | |
272 | USA | -5 | Pennsylvania | PA | 21 Oct 2013 | |
844 | NANP Area | | | | 07 Dec 2013 | |
577 | NANP Area | -4 to -11 | | | 27 Mar 2014 | |
346 | USA | -6 | Texas | TX | 01 Jul 2014 | |
629 | USA | -5 to -6 | Tennessee | TN | 26 Jul 2014 | |
628 | USA | -8 | California | CA | 16 Aug 2014 | |
220 | USA | -5 | Ohio | OH | 20 Sep 2014 | |
782 | CANADA | -5 | Nova Scotia | | 30 Nov 2014 | Prince Edward Isle |
930 | USA | | Indiana | IN | 07 Mar 2015 | |
854 | USA | -5 | South Carolina | SC | 14 Mar 2015 | |
622 | CANADA | -4 to -10 | | | 23 Mar 2015 | Covers whole of Canada |
548 | CANADA | -5 | Ontario | | 04 Jun 2015 | |
588 | NANP Area | -4 to -11 | | | 09 Sep 2015 | |
743 | USA | -5 | North Carolina | NC | 24 Oct 2015 | |
380 | USA | -5 | Ohio | OH | 27 Feb 2016 | |
825 | CANADA | -7 | Alberta | | 09 Apr 2016 | |
934 | USA | -5 | New York | NY | 16 Jul 2016 | |
522 | NANP AREA | -4 to -10 | | | 01 Aug 2016 | |
463 | USA | | Indiana | IN | 15 Nov 2016 | |
680 | USA | -5 | New York | NY | 11 Mar 2017 | |
833 | NANP Area | | | | 03 Jun 2017 | Covers whole of World Zone 1 |
332 | USA | -5 | New York | NY | 10 Jun 2017 | |
564 | USA | -8 | Washington | WA | 28 Aug 2017 | |
986 | USA | -7 | Idaho | ID | 05 Sep 2017 | |
838 | USA | -5 | New York | NY | 19 Sep 2017 | |
223 | USA | -5 | Pennsylvania | PA | 26 Sep 2017 | |
726 | USA | -6 | Texas | TX | 23 Oct 2017 | |
445 | USA | -5 | Pennsylvania | PA | 08 Mar 2018 | |
820 | USA | -8 | California | CA | 20 Jun 2018 | |
640 | USA | -5 | New Jersey | NJ | 17 Sep 2018 | |
279 | USA | -8 | California | CA | 03 Oct 2018 | |
367 | CANADA | -5 | Quebec | | 24 Nov 2018 | |
879 | CANADA | -3.5 | Newfoundland | | 24 Nov 2018 | |
658 | JAMAICA | -5 | | | 30 Nov 2018 | |