The following Numbering Plan Area (NPA) Relief Activity Schedule is based on planning letters received from the North American Numbering Plan Administrator (NANPA).
|
NPA Relief Activity Schedule |
||||||
|
Old NPA |
New NPA |
Affected Area |
Relief Type |
Start of Permissive Dialing |
Mandatory 10-Digit Dialing |
Start Date |
|
480, 602, 623 |
480/602/623 |
Arizona |
Boundary Elimination Overlay |
2/11/2023 (602 and 623 NPAs Only) |
8/12/2023 |
9/12/2023 |
|
309 |
861 |
Illinois |
Overlay |
|
|
2/24/2023 |
|
513 |
283 |
Ohio |
Overlay |
|
|
4/28/2023 |
|
516 |
363 |
New York |
Overlay |
|
10/24/2021 - 7/15/2022 |
1/20/2023 |
|
226/519/548 |
382 |
Ontario |
Overlay |
|
|
6/17/2023 |
|
920 |
274 |
Wisconsin |
Overlay |
|
10/24/2021 - 7/15/2022 |
5/5/2023 |
|
870 |
327 |
Arkansas |
Overlay |
11/4/2023 |
5/4/2024 |
6/4/2024 |
|
305/768 |
645 |
Florida |
Overlay |
|
|
8/4/2023 |
|
209 |
350 |
California |
Overlay |
|
10/24/2021 - 7/15/2022 |
11/28/2022 |
|
618 |
730 |
Illinois |
Overlay |
|
|
7/7/2023 |
|
235 |
573 |
Missouri |
Overlay |
8/26/2023 |
2/24/2024 |
3/24/2024 |
|
904 |
324 |
Florida |
Overlay |
7/31/2023 |
|
2/26/2024 |
|
707 |
369 |
California |
Overlay |
|
7/15/2022 |
2/1/2023 |
|
240/301 |
227 |
Maryland |
Overlay |
|
|
6/14/2023 |
|
608 |
353 |
Wisconsin |
Overlay |
|
|
9/15/2023 |
|
864 |
821 |
South Carolina |
Overlay |
1/19/2024 |
7/19/2024 |
8/19/2024 |
|
716 |
624 |
New York |
Overlay |
|
|
11/16/2023 |
|
804 |
686 |
Virginia |
Overlay |
|
|
2/1/2024 |
|
440 |
436 |
Ohio |
Overlay |
|
|
3/1/2024 |
Please Note: This schedule is subject to change depending on the capacity of the TFNRegistryTM and notifications from NANPA.
Modifications to this schedule have been highlighted in red.
Recently Completed NPA Relief Activities:
Missouri NPA 975 to overlay 816.
Manitoba NPA 584 to overlay 204/431.
Florida NPA 728 to overlay 561.
New York 329 to overlay 845.