All assignees
699 prefixes in 585 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 585-600 | ROCHESTER | 829J | 2009-07-30 | Yes |
| 585-601 | HENRIETTA | 384C | 2020-05-12 | Yes |
| 585-602 | ROCHESTER | 0121 | 2018-04-10 | Yes |
| 585-603 | ROCHESTER | 490J | 2021-12-07 | Yes |
| 585-604 | BATAVIA | 6622 | 2021-12-14 | Yes |
| 585-605 | FILLMORE | 624H | 2021-04-02 | Yes |
| 585-606 | EROCHESTER | 6622 | 2021-12-14 | Yes |
| 585-607 | — | — | ||
| 585-608 | ANGELICA | 997E | 2022-01-24 | Yes |
| 585-609 | WELLSVILLE | 4036 | 2022-01-24 | Yes |
| 585-610 | WELLSVILLE | 7140 | — | Yes |
| 585-611 | XXXXXXXXXX | MULT | — | — |
| 585-612 | DANSVILLE | 829J | — | Yes |
| 585-613 | ROCHESTER | 7140 | — | Yes |
| 585-614 | SHORTSVL | 384C | 2021-12-03 | Yes |
| 585-615 | ROCHESTER | 6622 | — | Yes |
| 585-616 | ALBION | 7421 | 2022-01-28 | Yes |
| 585-617 | SPENCERPT | 829J | 2002-02-21 | Yes |
| 585-618 | FAIRPORT | 939H | 2022-03-14 | Yes |
| 585-619 | WELLSVILLE | 4036 | 2022-04-21 | Yes |
| 585-620 | CHURCHVL | 384C | 2020-05-28 | Yes |
| 585-621 | ROCHESTER | 0121 | — | — |
| 585-622 | ROCHESTER | 6959 | 2014-05-30 | Yes |
| 585-623 | ROCHESTER | 6959 | 2014-08-25 | Yes |
| 585-624 | HONEOYEFLS | 0121 | — | — |
| 585-625 | ROCHESTER | 7133 | 2009-09-25 | Yes |
| 585-626 | WEBSTER | 0121 | 2011-02-25 | Yes |
| 585-627 | ROCHESTER | 384C | 2006-05-11 | Yes |
| 585-628 | BELFAST | 4036 | 2014-09-29 | Yes |
| 585-629 | ROCHESTER | 6959 | 2015-10-14 | Yes |
| 585-630 | BATAVIA | 732J | 2022-08-10 | Yes |
| 585-631 | RUSHVILLE | 087H | 2025-10-14 | Yes |
| 585-632 | BERGEN | 4006 | 2007-09-12 | Yes |
| 585-633 | ROCHESTER | 282E | 2011-05-12 | Yes |
| 585-634 | RUSHVILLE | 508J | 2014-09-24 | Yes |
| 585-635 | EROCHESTER | 4036 | 2014-09-29 | Yes |
| 585-636 | HAMLIN | 793K | — | Yes |
| 585-637 | BROCKPORT | 0121 | — | — |
| 585-638 | HOLLEY | 9104 | — | Yes |
| 585-639 | BROCKPORT | 155E | 2018-02-15 | Yes |
| 585-640 | MIDDLEPORT | 6959 | 2022-08-18 | Yes |
| 585-641 | EROCHESTER | 829J | — | Yes |
| 585-642 | ROCHESTER | 6959 | 2014-10-08 | Yes |
| 585-643 | EROCHESTER | 4006 | 2006-02-03 | Yes |
| 585-644 | XXXXXXXXXX | 9104 | 2001-11-30 | — |
| 585-645 | WEBSTER | 6959 | — | Yes |
| 585-647 | ROCHESTER | 0121 | — | — |
| 585-648 | WELLSVILLE | 508J | — | Yes |
| 585-649 | ROCHESTER | 997E | 2022-10-03 | Yes |
| 585-650 | RUSHFORD | 624H | 2021-05-14 | Yes |
| 585-651 | EROCHESTER | 732J | 2022-11-10 | Yes |
| 585-652 | EASTAURORA | 9104 | — | Yes |
| 585-653 | ARCADE | 793K | 2006-10-18 | Yes |
| 585-654 | ROCHESTER | 0121 | — | — |
| 585-655 | EASTAURORA | 9104 | — | Yes |
| 585-656 | ATTICA | 4036 | 2014-10-09 | Yes |
| 585-657 | HOLCOMB | 0122 | — | Yes |
| 585-658 | MT MORRIS | 0121 | — | Yes |
| 585-659 | KENDALL | 9104 | — | Yes |
| 585-660 | ROCHESTER | 318J | 2023-02-13 | Yes |
| 585-661 | OAKFIELD | 7140 | 2023-02-24 | Yes |
| 585-662 | EROCHESTER | 8473 | 2004-08-31 | Yes |
| 585-663 | ROCHESTER | 0121 | — | — |
| 585-664 | BATAVIA | 5562 | 2015-09-28 | Yes |
| 585-665 | OAKFIELD | 624H | 2021-05-14 | Yes |
| 585-666 | ROCHESTER | 0121 | 2009-07-07 | Yes |
| 585-667 | WEBSTER | 6959 | — | Yes |
| 585-668 | FAIRPORT | 732J | 2023-03-23 | Yes |
| 585-669 | SPRINGWTR | 0121 | — | Yes |
| 585-670 | W WEBSTER | 0121 | — | Yes |
| 585-671 | W WEBSTER | 0121 | — | — |
| 585-672 | ROCHESTER | 4006 | 2005-02-02 | Yes |
| 585-673 | EROCHESTER | 997E | 2015-03-17 | Yes |
| 585-674 | WATERPORT | 384C | 2023-07-14 | Yes |
| 585-675 | W WEBSTER | 939H | 2023-08-08 | Yes |
| 585-676 | FRANKLINVL | 9104 | — | Yes |
| 585-677 | CHAFFEE | 965H | 2020-07-08 | Yes |
| 585-678 | FAIRPORT | 0121 | 2006-10-05 | Yes |
| 585-679 | NUNDA | 939H | 2023-08-08 | Yes |
| 585-680 | — | — | ||
| 585-681 | WEBSTER | 6959 | 2023-08-11 | Yes |
| 585-682 | WATERPORT | 9104 | — | Yes |
| 585-683 | ROCHESTER | 6959 | 2007-09-14 | Yes |
| 585-684 | HOLLEY | 997E | 2015-05-19 | Yes |
| 585-685 | ROCHESTER | 271G | 2016-01-04 | Yes |
| 585-686 | HOLLEY | 624H | 2021-04-13 | Yes |
| 585-687 | EASTAURORA | 9104 | — | Yes |
| 585-688 | BROCKPORT | 965H | 2021-03-02 | Yes |
| 585-689 | BLISS | 6959 | 2006-09-13 | Yes |
| 585-690 | ROCHESTER | 6959 | 2006-05-22 | Yes |
| 585-691 | BLISS | 6959 | 2023-08-15 | Yes |
| 585-692 | HILTON | 384C | 2023-08-15 | Yes |
| 585-693 | ARCADE | 939H | 2023-08-31 | Yes |
| 585-694 | ROCHESTER | 6959 | 2007-10-30 | Yes |
| 585-695 | ROCHESTER | 4036 | 2023-09-07 | Yes |
| 585-696 | WELLSVILLE | 4036 | 2023-11-13 | Yes |
| 585-697 | ROCHESTER | 829J | — | Yes |
| 585-698 | ROCHESTER | 6959 | 2006-06-12 | Yes |
| 585-699 | DANSVILLE | 384C | 2020-05-28 | Yes |
| 585-700 | — | — |
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.