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27 prefixes in 717 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 717-223 | STEWARTSTN | 318J | 2024-04-25 | Yes |
| 717-251 | CHAMBERSBG | 318J | 2016-10-25 | Yes |
| 717-407 | GAP | 318J | 2006-12-28 | Yes |
| 717-416 | YORK SPG | 318J | 2007-07-25 | — |
| 717-454 | LEBANON | 318J | 2008-02-05 | Yes |
| 717-457 | FAIRFIELD | 318J | 2007-11-08 | — |
| 717-488 | TERRE HILL | 318J | 2008-10-15 | Yes |
| 717-498 | MERCERSBG | 318J | 2006-06-27 | — |
| 717-522 | MOUNTVILLE | 318J | 2006-06-29 | Yes |
| 717-595 | ST THOMAS | 318J | 2006-06-27 | — |
| 717-604 | MARIETTA | 318J | 2006-06-29 | Yes |
| 717-613 | KIRKWOOD | 318J | 2008-10-10 | Yes |
| 717-643 | GREENCASTL | 318J | 2006-06-27 | — |
| 717-660 | CHAMBERSBG | 318J | 2015-08-26 | Yes |
| 717-695 | HARISBGZN1 | 318J | 2006-05-18 | Yes |
| 717-822 | LEWISBERRY | 318J | 2008-10-08 | — |
| 717-857 | HARISBGZN1 | 318J | 2015-11-12 | Yes |
| 717-885 | YORK | 318J | 2007-06-26 | Yes |
| 717-906 | CARLISLE | 318J | 2016-07-22 | Yes |
| 717-923 | RAWLINSVL | 318J | 2008-10-15 | Yes |
| 717-929 | INTERCOURS | 318J | 2008-10-10 | Yes |
| 717-942 | GLEN ROCK | 318J | 2011-10-11 | Yes |
| 717-945 | LANCASTER | 318J | 2007-06-27 | Yes |
| 717-952 | MILLERSBG | 318J | 2008-10-09 | Yes |
| 717-955 | HENSEL | 318J | 2008-10-15 | Yes |
| 717-969 | HANOVER | 318J | 2013-06-17 | Yes |
| 717-984 | LANCASTER | 318J | 2014-08-11 | 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.