─────── § 04. NPA RECORD · 428 · FOLIO 0230 OF 0801 ──────────────
428
Canadian NPA Record
Area code 428 was added in 2023 as an overlay to the existing 506 area in New Brunswick to address number exhaustion.
Area code 428 was added in 2023 as an overlay to the existing 506 area in New Brunswick to address number exhaustion.
IN SERVICEFirst record · 2018
§ 04.05Event Summary
mandatory dialing · 1
§ 04.06
Documentary Record · 8 events
CHRONOLOGICAL ORDER
2018-09-24
NPA 428 overlay on 506 announced
NPA 428 to Overlay NPA 506 (New Brunswick, Canada)
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2020-05-06
NPA 428 overlay on 506 announced
NPA 428 to Overlay NPA 506 (New Brunswick, Canada)
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2020-12-01
NPA 428 overlay on 506 announced
NPA 428 to Overlay NPA 506 (New Brunswick, Canada)
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2020-12-08
NPA 428 overlay on 506 announced
NPA 428 to Overlay NPA 506 (New Brunswick, Canada) supersedes PL549
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2022-08-19
NPA 428 overlay on 506 announced
NPA 428 to Overlay NPA 506 (New Brunswick, Canada) - supersedes PL-553
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2023-04-23
Overlay of area code 506 with 428
An overlay plan was implemented in New Brunswick on April 23, 2023, adding area code 428 to overlay the existing 506 area code to address numbering exhaustion.
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2023-04-29
NPA 428 overlays 506
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2023-04-29
mandatory dialing
Mandatory ten-digit dialing for 506 and 428
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