All assignees
800 prefixes in 646 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 646-600 | NWYRCYZN01 | 5562 | 2010-03-02 | Yes |
| 646-601 | NWYRCYZN01 | 508J | 2013-01-15 | Yes |
| 646-602 | NWYRCYZN01 | 9104 | — | Yes |
| 646-603 | NWYRCYZN01 | 829J | 2016-01-27 | Yes |
| 646-604 | NWYRCYZN01 | 4006 | 2014-10-28 | Yes |
| 646-605 | NWYRCYZN01 | 7229 | 2014-07-23 | Yes |
| 646-606 | NWYRCYZN01 | 829J | 2010-11-18 | Yes |
| 646-607 | NWYRCYZN01 | 829J | — | — |
| 646-608 | NWYRCYZN01 | 829J | 2016-03-17 | Yes |
| 646-609 | NWYRCYZN01 | 793K | — | Yes |
| 646-610 | NWYRCYZN01 | 9104 | 2001-11-15 | Yes |
| 646-611 | XXXXXXXXXX | MULT | — | — |
| 646-612 | NWYRCYZN01 | 6959 | 2012-10-11 | Yes |
| 646-613 | NWYRCYZN01 | 9104 | — | — |
| 646-614 | NWYRCYZN01 | 7126 | 2015-04-17 | Yes |
| 646-615 | NWYRCYZN01 | 7126 | 2015-04-17 | Yes |
| 646-616 | NWYRCYZN01 | 892E | 2007-12-20 | Yes |
| 646-617 | NWYRCYZN01 | 4036 | 2015-08-05 | Yes |
| 646-618 | NWYRCYZN01 | 6959 | 2015-12-21 | Yes |
| 646-619 | NWYRCYZN01 | 829J | — | Yes |
| 646-620 | NWYRCYZN01 | 6622 | — | Yes |
| 646-621 | NWYRCYZN01 | 5562 | — | Yes |
| 646-622 | NWYRCYZN01 | 6622 | — | — |
| 646-623 | NWYRCYZN01 | 6622 | — | — |
| 646-624 | NWYRCYZN01 | 6622 | 2005-03-30 | Yes |
| 646-625 | NWYRCYZN01 | 9104 | — | Yes |
| 646-626 | NWYRCYZN01 | 5562 | 2009-08-24 | Yes |
| 646-627 | NWYRCYZN01 | 6959 | 2012-04-09 | Yes |
| 646-628 | NWYRCYZN01 | 6959 | 2012-06-22 | Yes |
| 646-629 | NWYRCYZN01 | 6959 | 2012-09-24 | Yes |
| 646-630 | NWYRCYZN01 | 6959 | 2012-12-10 | Yes |
| 646-631 | NWYRCYZN01 | 384C | 2022-09-26 | Yes |
| 646-632 | NWYRCYZN01 | 6959 | — | Yes |
| 646-633 | NWYRCYZN01 | 6622 | — | Yes |
| 646-634 | NWYRCYZN01 | 6959 | 2012-08-16 | Yes |
| 646-635 | NWYRCYZN01 | 9104 | 2012-08-20 | Yes |
| 646-636 | NWYRCYZN01 | 9104 | 2012-08-20 | Yes |
| 646-637 | NWYRCYZN01 | 7140 | — | Yes |
| 646-638 | NWYRCYZN01 | 9104 | — | — |
| 646-639 | NWYRCYZN01 | 6622 | — | Yes |
| 646-640 | NWYRCYZN01 | 829J | 2013-02-14 | Yes |
| 646-641 | NWYRCYZN01 | 6622 | 2001-08-21 | — |
| 646-642 | NWYRCYZN01 | 6622 | 2001-08-21 | — |
| 646-643 | NWYRCYZN01 | 6622 | 2001-08-21 | — |
| 646-644 | NWYRCYZN01 | 6622 | 2001-08-21 | — |
| 646-645 | NWYRCYZN01 | 6622 | 2001-08-21 | — |
| 646-646 | NWYRCYZN01 | 997E | 2022-09-29 | Yes |
| 646-647 | NWYRCYZN01 | 6959 | 2012-12-10 | Yes |
| 646-648 | NWYRCYZN01 | 6959 | — | Yes |
| 646-649 | NWYRCYZN01 | 6622 | 2005-09-15 | Yes |
| 646-650 | NWYRCYZN01 | 7229 | 2012-10-08 | Yes |
| 646-651 | NWYRCYZN01 | 4006 | 2005-05-12 | Yes |
| 646-652 | NWYRCYZN01 | 6959 | 2006-01-05 | Yes |
| 646-653 | NWYRCYZN01 | 705G | 2012-06-08 | Yes |
| 646-654 | NWYRCYZN01 | 9104 | — | — |
| 646-655 | NWYRCYZN01 | 997E | 2012-12-04 | Yes |
| 646-656 | NWYRCYZN01 | 6959 | 2012-10-11 | Yes |
| 646-657 | NWYRCYZN01 | 282E | — | Yes |
| 646-658 | NWYRCYZN01 | 9104 | — | Yes |
| 646-659 | NWYRCYZN01 | 4036 | 2013-02-15 | Yes |
| 646-660 | NWYRCYZN01 | 6959 | 2005-03-10 | Yes |
| 646-661 | NWYRCYZN01 | 6959 | 2012-12-10 | Yes |
| 646-662 | NWYRCYZN01 | 6622 | — | — |
| 646-663 | NWYRCYZN01 | 4006 | 2013-02-14 | Yes |
| 646-664 | NWYRCYZN01 | 155E | 2012-03-16 | Yes |
| 646-665 | NWYRCYZN01 | 7126 | 2012-12-10 | Yes |
| 646-666 | NWYRCYZN01 | 4006 | 2007-11-13 | Yes |
| 646-667 | NWYRCYZN01 | 6622 | — | Yes |
| 646-668 | NWYRCYZN01 | 6959 | 2013-04-16 | Yes |
| 646-669 | NWYRCYZN01 | 6622 | — | Yes |
| 646-670 | NWYRCYZN01 | 4036 | — | Yes |
| 646-671 | NWYRCYZN01 | 4036 | — | Yes |
| 646-672 | NWYRCYZN01 | 9104 | — | — |
| 646-673 | NWYRCYZN01 | 4036 | 2006-06-28 | Yes |
| 646-674 | NWYRCYZN01 | 9104 | — | — |
| 646-675 | NWYRCYZN01 | 4036 | — | Yes |
| 646-676 | NWYRCYZN01 | 7229 | 2013-04-12 | Yes |
| 646-677 | NWYRCYZN01 | 7133 | 2015-09-11 | Yes |
| 646-678 | NWYRCYZN01 | 6959 | — | Yes |
| 646-679 | NWYRCYZN01 | 4006 | 2013-04-24 | Yes |
| 646-680 | NWYRCYZN01 | 829J | 2014-04-14 | Yes |
| 646-681 | NWYRCYZN01 | 4006 | 2013-05-21 | Yes |
| 646-682 | NWYRCYZN01 | 7140 | — | Yes |
| 646-683 | NWYRCYZN01 | 6622 | — | Yes |
| 646-684 | NWYRCYZN01 | 6622 | — | Yes |
| 646-685 | NWYRCYZN01 | 9104 | — | Yes |
| 646-686 | NWYRCYZN01 | 7126 | 2013-04-01 | Yes |
| 646-687 | NWYRCYZN01 | 384C | 2013-05-06 | Yes |
| 646-688 | NWYRCYZN01 | 7229 | 2005-05-02 | Yes |
| 646-689 | NWYRCYZN01 | 6959 | 2016-03-25 | Yes |
| 646-690 | NWYRCYZN01 | 4006 | 2015-07-10 | Yes |
| 646-691 | NWYRCYZN01 | 6622 | 2003-10-15 | Yes |
| 646-692 | NWYRCYZN01 | 7126 | 2010-06-07 | Yes |
| 646-693 | NWYRCYZN01 | 997E | 2013-07-11 | Yes |
| 646-694 | NWYRCYZN01 | 7126 | 2013-10-08 | Yes |
| 646-695 | NWYRCYZN01 | 829J | — | — |
| 646-696 | NWYRCYZN01 | 6622 | 2004-02-19 | Yes |
| 646-697 | NWYRCYZN01 | 9104 | — | Yes |
| 646-698 | NWYRCYZN01 | 9104 | — | Yes |
| 646-699 | NWYRCYZN01 | 525G | 2011-06-20 | 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.