─────── § 04. NPA RECORD · 837 · FOLIO 0639 OF 0801 ──────────────
837
United States NPA Record
Overlay area code for the 530 numbering plan area in northeastern and northern California, introduced in 2025 to provide additional numbering resources.
Overlay area code for the 530 numbering plan area in northeastern and northern California, introduced in 2025 to provide additional numbering resources.
IN SERVICEFirst record · 2023
§ 04.05Event Summary
relief planned · 1
§ 04.06
Documentary Record · 3 events
CHRONOLOGICAL ORDER
2023-06-08
relief planned
Overlay planned for area code 530 with new code 837
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2023-08-08
NPA 837 overlay on 530 announced
NPA 837 to Overlay NPA 530 (California)
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2025-01-31
Area code 837 overlay activated on 530
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