All assignees
800 prefixes in 610 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 610-600 | UPBLCKEDDY | 3806 | 2001-03-21 | Yes |
| 610-601 | CHESTERSPG | 7434 | — | Yes |
| 610-602 | PHPHSBZN24 | 7434 | — | Yes |
| 610-603 | READING | 9208 | — | Yes |
| 610-604 | PHPHSBZN13 | 9208 | — | Yes |
| 610-605 | PHPHSBZN13 | 7229 | — | Yes |
| 610-606 | ALLENTOWN | 9208 | — | Yes |
| 610-607 | READING | 9208 | — | Yes |
| 610-608 | PHPHSBZN30 | 6392 | — | — |
| 610-609 | PHPHSBZN21 | 6626 | 2002-09-27 | Yes |
| 610-610 | MORGANTOWN | 965H | 2020-05-27 | Yes |
| 610-611 | XXXXXXXXXX | MULT | — | — |
| 610-612 | KENNETT SQ | 7434 | — | Yes |
| 610-613 | PHPHSBZN30 | 6392 | — | — |
| 610-614 | NAZARETH | 9208 | — | Yes |
| 610-615 | CENTER PT | 7434 | — | Yes |
| 610-616 | PHPHSBZN14 | 7434 | — | Yes |
| 610-617 | PHPHSBZN23 | 9208 | — | — |
| 610-618 | KUTZTOWN | 6846 | — | Yes |
| 610-619 | PHPHSBZN11 | 4007 | — | Yes |
| 610-620 | W CHESTER | 5562 | — | Yes |
| 610-621 | READING | 4007 | — | Yes |
| 610-622 | PHPHSBZN17 | 9208 | — | — |
| 610-623 | PHPHSBZN17 | 9208 | — | — |
| 610-624 | PHPHSBZN17 | 7434 | — | Yes |
| 610-625 | BETHLEHEM | 8320 | — | Yes |
| 610-626 | PHPHSBZN17 | 9208 | — | — |
| 610-627 | PHPHSBZN12 | 9208 | — | — |
| 610-628 | ALLENTOWN | 4007 | — | Yes |
| 610-629 | PHPHSBZN31 | 9208 | — | Yes |
| 610-630 | PHPHSBZN30 | 9208 | — | — |
| 610-631 | PHPHSBZN30 | 9208 | — | — |
| 610-632 | PHPHSBZN23 | 9208 | — | Yes |
| 610-633 | PHPHSBZN28 | 5562 | — | Yes |
| 610-634 | CHESTERSPG | 7309 | — | Yes |
| 610-635 | PHPHSBZN30 | 9208 | — | Yes |
| 610-636 | PHPHSBZN23 | 6626 | — | Yes |
| 610-637 | PHPHSBZN28 | 5562 | — | Yes |
| 610-638 | PHPHSBZN17 | 4007 | — | Yes |
| 610-639 | PHPHSBZN30 | 6392 | — | — |
| 610-640 | PHPHSBZN28 | 9208 | — | — |
| 610-641 | TOPTON | 0162 | — | Yes |
| 610-642 | PHPHSBZN24 | 9208 | — | — |
| 610-643 | COATESVL | 7229 | — | Yes |
| 610-644 | PHPHSBZN28 | 9208 | — | — |
| 610-645 | PHPHSBZN24 | 9208 | — | Yes |
| 610-646 | EAGLE | 7229 | — | Yes |
| 610-647 | PHPHSBZN28 | 9208 | — | — |
| 610-648 | PHPHSBZN28 | 9208 | — | Yes |
| 610-649 | PHPHSBZN24 | 9208 | — | — |
| 610-650 | PHPHSBZN29 | 9208 | — | — |
| 610-651 | PHPHSBZN28 | 9208 | — | Yes |
| 610-652 | SASSAMNSVL | 8320 | 2007-04-30 | Yes |
| 610-653 | BETHLEHEM | 6626 | — | — |
| 610-654 | PEN ARGYL | 8320 | 2002-02-13 | Yes |
| 610-655 | READING | 9208 | — | Yes |
| 610-656 | PHPHSBZN28 | 5562 | — | Yes |
| 610-657 | ALLENTOWN | 4036 | — | — |
| 610-658 | PHPHSBZN24 | 9208 | — | — |
| 610-659 | PHPHSBZN23 | 4036 | — | — |
| 610-660 | PHPHSBZN23 | 9208 | — | — |
| 610-661 | PHPHSBZN22 | 9208 | — | — |
| 610-662 | PHPHSBZN23 | 4036 | — | — |
| 610-663 | ALLENTOWN | 9208 | — | Yes |
| 610-664 | PHPHSBZN23 | 9208 | — | — |
| 610-665 | PHPHSBZN29 | 4007 | — | Yes |
| 610-666 | PHPHSBZN29 | 9208 | — | — |
| 610-667 | PHPHSBZN23 | 9208 | — | — |
| 610-668 | PHPHSBZN23 | 9208 | — | — |
| 610-669 | PHPHSBZN28 | 9208 | — | — |
| 610-670 | READING | 9208 | — | — |
| 610-671 | PHPHSBZN29 | 7229 | — | Yes |
| 610-672 | PHPHSBZN25 | 7229 | — | Yes |
| 610-673 | PHPHSBZN26 | 7421 | — | Yes |
| 610-674 | ALLENTOWN | 4036 | 2012-01-25 | Yes |
| 610-675 | PHPHSBZN10 | 7229 | — | Yes |
| 610-676 | PHPHSBZN29 | 9208 | — | Yes |
| 610-677 | PHPHSBZN23 | 7615 | — | Yes |
| 610-678 | READING | 9208 | — | — |
| 610-679 | COATESVL | 5562 | 2009-02-10 | Yes |
| 610-680 | PHPHSBZN30 | 4007 | — | Yes |
| 610-681 | KRESGEVL | 0196 | — | — |
| 610-682 | TOPTON | 0162 | — | — |
| 610-683 | KUTZTOWN | 9208 | — | Yes |
| 610-684 | PHPHSBZN31 | 829J | — | Yes |
| 610-685 | READING | 7513 | — | — |
| 610-686 | CATASAUQUA | 7421 | — | Yes |
| 610-687 | PHPHSBZN26 | 9208 | — | — |
| 610-688 | PHPHSBZN26 | 9208 | — | — |
| 610-689 | YELLOW HS | 0162 | — | — |
| 610-690 | PHPHSBZN13 | 9208 | — | Yes |
| 610-691 | BETHLEHEM | 9208 | — | — |
| 610-692 | W CHESTER | 9208 | — | — |
| 610-693 | ROBESONIA | 0169 | — | Yes |
| 610-694 | BETHLEHEM | 9208 | — | — |
| 610-695 | PHPHSBZN28 | 9208 | — | Yes |
| 610-696 | W CHESTER | 9208 | — | — |
| 610-697 | NORTHAMPTN | 8320 | — | Yes |
| 610-698 | READING | 4036 | — | — |
| 610-699 | PHPHSBZN28 | 4007 | — | 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.