02/23/2026
Important Announcement: Area code 483 is introduced in Alabama TODAY. Get the details at https://www.nanpa.com/npa-relief/press-releases.
NANP Administrator
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- NANP Administrator
NANPA is the neutral administrator of the North American Numbering Plan (NANP) resources in the U.S.
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Herndon, VA
Opening Hours
| Monday | 8am - 8pm |
| Tuesday | 8am - 8pm |
| Wednesday | 8am - 8pm |
| Thursday | 8am - 8pm |
| Friday | 8am - 8pm |
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