All assignees
649 prefixes in 571 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 571-700 | — | — | ||
| 571-701 | NOKESVILLE | 138E | 2020-06-10 | Yes |
| 571-702 | DALE CITY | 515J | 2024-11-27 | Yes |
| 571-703 | DALE CITY | 6855 | 2025-05-14 | Yes |
| 571-704 | NOKESVILLE | 515J | 2024-11-27 | Yes |
| 571-705 | WSNGTNZN17 | 515J | 2024-11-27 | Yes |
| 571-706 | DALE CITY | 4036 | 2024-12-02 | Yes |
| 571-707 | LEESBURG | 5562 | 2014-12-11 | Yes |
| 571-708 | DALE CITY | 6855 | 2026-01-05 | Yes |
| 571-709 | WSNGTNZN08 | 4036 | 2024-12-02 | Yes |
| 571-710 | LORTON | 624H | 2021-02-05 | Yes |
| 571-711 | XXXXXXXXXX | MULT | — | — |
| 571-712 | LEESBURG | 515J | 2024-12-02 | Yes |
| 571-713 | OCCOQUAN | 515J | 2024-12-02 | Yes |
| 571-714 | WSNGTNZN08 | 515J | 2024-12-02 | Yes |
| 571-715 | HERNDON | 138E | 2024-12-16 | Yes |
| 571-716 | MANASSAS | 138E | 2025-02-07 | Yes |
| 571-717 | WSNGTNZN17 | 079F | 2025-02-10 | Yes |
| 571-718 | ENGLESIDE | 7421 | 2025-02-28 | Yes |
| 571-719 | MANASSAS | 6827 | 2014-09-12 | Yes |
| 571-720 | HERNDON | 138E | 2025-03-19 | Yes |
| 571-721 | WSNGTNZN08 | 4036 | — | Yes |
| 571-722 | WSNGTNZN17 | 5562 | — | Yes |
| 571-723 | WSNGTNZN19 | 8825 | — | Yes |
| 571-724 | OCCOQUAN | 4036 | 2025-03-25 | Yes |
| 571-725 | WSNGTNZN08 | 4036 | 2025-04-08 | Yes |
| 571-726 | WSNGTNZN08 | 7529 | 2025-05-05 | Yes |
| 571-727 | LORTON | 516J | 2022-02-25 | Yes |
| 571-728 | WSNGTNZN08 | 114J | 2025-05-16 | Yes |
| 571-729 | WSNGTNZN08 | 4036 | 2025-05-16 | Yes |
| 571-730 | WSNGTNZN17 | 6827 | 2006-12-12 | Yes |
| 571-731 | WSNGTNZN19 | 6827 | 2025-05-28 | Yes |
| 571-732 | WSNGTNZN19 | 079F | 2010-10-07 | Yes |
| 571-733 | WSNGTNZN08 | 6827 | 2011-11-21 | Yes |
| 571-734 | WSNGTNZN17 | 4036 | 2025-07-10 | Yes |
| 571-735 | WSNGTNZN08 | 4036 | 2025-08-14 | Yes |
| 571-736 | WSNGTNZN17 | 138E | 2025-09-04 | Yes |
| 571-737 | WSNGTNZN17 | 4036 | 2025-09-26 | Yes |
| 571-738 | WSNGTNZN17 | 4036 | 2025-09-26 | Yes |
| 571-739 | WSNGTNZN08 | 138E | 2025-10-15 | Yes |
| 571-740 | WSNGTNZN19 | 138E | 2025-10-15 | Yes |
| 571-741 | BRADDOCK | 6855 | 2025-04-14 | Yes |
| 571-742 | DULLESMTRO | 516J | 2022-02-18 | Yes |
| 571-743 | HERNDON | 138E | 2025-11-04 | Yes |
| 571-744 | WSNGTNZN17 | 4036 | 2025-11-17 | Yes |
| 571-745 | WSNGTNZN17 | 4036 | 2025-11-17 | Yes |
| 571-746 | DULLES | 516J | 2022-02-18 | Yes |
| 571-747 | MANASSAS | 138E | 2025-12-11 | Yes |
| 571-748 | WSNGTNZN19 | 829J | 2001-05-23 | Yes |
| 571-749 | WSNGTNZN17 | 829J | 2001-05-23 | Yes |
| 571-750 | WSNGTNZN08 | 079F | 2026-03-18 | Yes |
| 571-751 | ARCOLA | 138E | 2022-09-02 | Yes |
| 571-752 | HERNDON | 6827 | 2018-01-17 | Yes |
| 571-753 | BRADDOCK | 138E | 2026-01-27 | Yes |
| 571-754 | WSNGTNZN08 | 671J | 2026-04-01 | Yes |
| 571-755 | HAYMARKET | 965H | 2020-07-10 | Yes |
| 571-756 | HAYMARKET | 138E | 2026-04-24 | Yes |
| 571-757 | WSNGTNZN19 | 7529 | 2026-04-30 | Yes |
| 571-758 | DULLES | 5562 | 2013-05-24 | Yes |
| 571-759 | HERNDON | 508J | 2026-04-28 | Yes |
| 571-760 | WSNGTNZN08 | 4036 | 2026-05-05 | Yes |
| 571-761 | LORTON | 138E | 2026-05-07 | Yes |
| 571-762 | MANASSAS | 6855 | 2010-07-28 | Yes |
| 571-763 | WSNGTNZN17 | 8825 | 2026-05-07 | Yes |
| 571-764 | OCCOQUAN | 138E | 2026-05-20 | Yes |
| 571-765 | WSNGTNZN17 | 6827 | 2007-10-29 | Yes |
| 571-766 | WSNGTNZN17 | 7529 | 2007-09-04 | Yes |
| 571-767 | ENGLESIDE | 7229 | 2016-10-27 | Yes |
| 571-768 | WSNGTNZN19 | 4036 | 2026-07-14 | Yes |
| 571-769 | WSNGTNZN17 | 4036 | 2026-07-23 | Yes |
| 571-770 | LEESBURG | 6855 | 2026-05-08 | Yes |
| 571-771 | WSNGTNZN08 | 138E | 2020-05-11 | Yes |
| 571-772 | DALE CITY | 138E | 2026-08-06 | Yes |
| 571-773 | DULLESMTRO | 138E | 2021-03-09 | Yes |
| 571-774 | TRIANGLE | 138E | 2021-02-08 | Yes |
| 571-775 | WSNGTNZN08 | 6827 | 2016-01-11 | Yes |
| 571-776 | HERNDON | 6855 | 2019-07-16 | Yes |
| 571-777 | WSNGTNZN08 | 138E | — | Yes |
| 571-778 | MANASSAS | 6855 | 2016-01-12 | Yes |
| 571-779 | WSNGTNZN08 | 138E | 2026-08-06 | Yes |
| 571-780 | WSNGTNZN17 | 138E | 2026-08-19 | Yes |
| 571-781 | NOKESVILLE | 079F | 2012-07-25 | Yes |
| 571-782 | HERNDON | 4036 | 2026-08-20 | Yes |
| 571-783 | ARCOLA | 138E | 2026-09-03 | Yes |
| 571-786 | HERNDON | 965H | 2020-07-10 | Yes |
| 571-788 | HAYMARKET | 516J | 2022-02-24 | Yes |
| 571-789 | WSNGTNZN19 | 6855 | 2014-11-25 | Yes |
| 571-799 | LEESBURG | 275G | 2016-08-18 | Yes |
| 571-800 | WSNGTNZN08 | 138E | 2015-08-12 | Yes |
| 571-801 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-802 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-803 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-804 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-805 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-811 | XXXXXXXXXX | MULT | — | — |
| 571-814 | WSNGTNZN08 | 6827 | 2010-08-13 | Yes |
| 571-820 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-821 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-822 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
| 571-823 | ENGLESIDE | 7529 | 2023-10-19 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.