─────── § 04. NPA RECORD · 621 · FOLIO 0423 OF 0801 ──────────────
621
United States NPA Record
Reserved as the fifth overlay area code for Houston, approved in 2023 with planned service start in January 2025.
Reserved as the fifth overlay area code for Houston, approved in 2023 with planned service start in January 2025.
First record · 2023
§ 04.05Event Summary
relief planned · 1
§ 04.06
Documentary Record · 3 events
CHRONOLOGICAL ORDER
2023-10-12
relief planned
Public Utility Commission of Texas approves 621 overlay for Houston
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2023-12-06
NPA 621 overlay on 281/346/713/832 announced
NPA 621 to Overlay NPA 281/346/713/832 (Texas)
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2025-01-23
Area code 621 activated as overlay for Houston area
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