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32 prefixes in 347 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 347-240 | NWYRCYZN06 | 612K | 2014-06-18 | Yes |
| 347-270 | NWYRCYZN03 | 612K | — | Yes |
| 347-275 | NWYRCYZN05 | 612K | 2004-05-13 | Yes |
| 347-305 | NWYRCYZN06 | 612K | 2010-03-11 | Yes |
| 347-318 | NWYRCYZN06 | 612K | 2010-04-30 | Yes |
| 347-350 | NWYRCYZN06 | 612K | 2004-09-23 | Yes |
| 347-365 | NWYRCYZN06 | 612K | — | Yes |
| 347-384 | NWYRCYZN06 | 612K | 2010-08-26 | Yes |
| 347-492 | NWYRCYZN07 | 612K | 2007-05-22 | Yes |
| 347-498 | NWYRCYZN03 | 612K | — | Yes |
| 347-529 | NWYRCYZN06 | 612K | 2005-10-11 | Yes |
| 347-577 | NWYRCYZN03 | 612K | — | Yes |
| 347-590 | NWYRCYZN03 | 612K | — | Yes |
| 347-591 | NWYRCYZN03 | 612K | — | Yes |
| 347-597 | NWYRCYZN03 | 612K | — | Yes |
| 347-621 | NWYRCYZN04 | 612K | 2005-02-07 | Yes |
| 347-627 | NWYRCYZN06 | 612K | 2006-01-05 | Yes |
| 347-663 | NWYRCYZN06 | 612K | 2006-09-06 | Yes |
| 347-673 | NWYRCYZN07 | 612K | 2006-07-12 | Yes |
| 347-713 | NWYRCYZN07 | 612K | 2005-04-01 | Yes |
| 347-758 | NWYRCYZN03 | 612K | — | Yes |
| 347-810 | NWYRCYZN04 | 612K | 2006-09-25 | Yes |
| 347-842 | NWYRCYZN04 | 612K | 2007-07-11 | Yes |
| 347-843 | NWYRCYZN05 | 612K | 2008-02-19 | Yes |
| 347-862 | NWYRCYZN03 | 612K | — | Yes |
| 347-913 | NWYRCYZN05 | 612K | 2011-03-23 | Yes |
| 347-915 | NWYRCYZN06 | 612K | 2011-03-25 | Yes |
| 347-945 | NWYRCYZN05 | 612K | 2007-07-11 | Yes |
| 347-955 | NWYRCYZN06 | 612K | 2011-09-22 | Yes |
| 347-964 | NWYRCYZN05 | 612K | 2006-02-02 | Yes |
| 347-980 | NWYRCYZN05 | 612K | 2011-08-31 | Yes |
| 347-985 | NWYRCYZN06 | 612K | 2008-06-02 | 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.