| NPA | Country | Time Difference (GMT) | State | State Abbrv. | In Service Date | Comments |
| 700 | USA | | IC Services | | | |
| 701 | USA | -6 | North Dakota | ND | | |
| 702 | USA | -8 | Nevada | NV | | |
| 703 | USA | -5 | Virginia | VA | | |
| 704 | USA | -5 | North Carolina | NC | | |
| 705 | CANADA | -5 | Ontario | | | |
| 706 | USA | -5 | Georgia | GA | | |
| 707 | USA | -8 | California | CA | | |
| 708 | USA | -6 | Illinois | IL | | |
| 709 | CANADA | -3.5 | Newfoundland | | | |
| 710 | USA | | US Government | | | |
| 712 | USA | -6 | Iowa | IA | | |
| 713 | USA | -6 to -7 | Texas | TX | | |
| 714 | USA | -8 | California | CA | | |
| 715 | USA | -6 | Wisconsin | WI | | |
| 716 | USA | -5 | New York | NY | | |
| 717 | USA | -5 | Pennsylvania | PA | | |
| 718 | USA | -5 | New York | NY | | |
| 719 | USA | -7 | Colorado | CO | | |
| 720 | USA | -7 | Colorado | CO | 01 Jun 1998 | |
| 721 | SINT MAARTEN | -4 | | | 30 Sep 2011 | Part of Netherlands Antilles (until October 2010) |
| 724 | USA | -5 | Pennsylvania | PA | 01 Feb 1998 | |
| 727 | USA | -5 to -6 | Florida | FL | 01 Jul 1998 | |
| 730 | USA | -6 | Illinois | IL | | Proposed |
| 731 | USA | -5 to -6 | Tennessee | TN | 12 Feb 2001 | |
| 732 | USA | -5 | New Jersey | NJ | 01 Jun 1997 | |
| 734 | USA | -5 | Michigan | MI | 13 Dec 1997 | |
| 737 | USA | -6 to -7 | Texas | TX | | Suspended |
| 740 | USA | -5 | Ohio | OH | 06 Dec 1997 | |
| 747 | USA | -8 | California | CA | 11 Oct 2008 | |
| 754 | USA | -5 to -6 | Florida | FL | 01 Sep 2001 | |
| 757 | USA | -5 | Virginia | VA | 01 Jul 1996 | |
| 758 | ST LUCIA | -4 | | | 01 Jul 1996 | |
| 760 | USA | -8 | California | CA | 22 Mar 1997 | |
| 762 | USA | -5 | Georgia | GA | 01 Dec 2005 | |
| 763 | USA | -6 | Minnesota | MN | 27 Feb 2000 | |
| 764 | USA | -8 | California | CA | | Suspended |
| 765 | USA | -5 | Indiana | IN | 01 Feb 1997 | |
| 767 | DOMINICA | -4 | | | 01 Oct 1997 | |
| 769 | USA | -6 | Mississippi | MS | 19 Jul 2004 | |
| 770 | USA | -5 | Georgia | GA | 01 Aug 1995 | |
| 772 | USA | -5 to -6 | Florida | FL | 11 Feb 2002 | |
| 773 | USA | -6 | Illinois | IL | 12 Oct 1996 | |
| 774 | USA | -5 | Massachusetts | MA | 02 May 2001 | |
| 775 | USA | -8 | Nevada | NV | 12 Dec 1998 | |
| 778 | CANADA | -8 | British Columbia | | 03 Nov 2001 | |
| 779 | USA | -6 | Illinois | IL | 19 Nov 2006 | |
| 780 | CANADA | -7 | Alberta | | 18 May 1999 | |
| 781 | USA | -5 | Massachusetts | MA | 01 Sep 1997 | |
| 784 | ST VINCENT AND THE GRENADINES | -4 | | | 01 Jun 1998 | |
| 785 | USA | -6 | Kansas | KS | 20 Jul 1997 | |
| 786 | USA | -5 to -6 | Florida | FL | 01 Mar 1998 | |
| 787 | PUERTO RICO | -4 | | PR | 01 Mar 1996 | |