─────── § 04. NPA RECORD · 559 · FOLIO 0361 OF 0801 ──────────────
559
United States NPA Record
Area code for the central San Joaquin Valley in California, including Fresno, Madera, Kings, and Tulare counties.
Area code for the central San Joaquin Valley in California, including Fresno, Madera, Kings, and Tulare counties. Created in 1998 by splitting from 209.
IN SERVICEFirst record · 1998
§ 04.05Event Summary
mandatory dialing · 1permissive dialing · 1relief planned · 1service expansion · 1split · 1
§ 04.06
Documentary Record · 7 events
CHRONOLOGICAL ORDER
1998-11-14
split
NPA 559 split from 209
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1999-05-15
mandatory dialing
Mandatory dialing begins for 559 after permissive period
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1999-05-15
permissive dialing
Permissive dialing period ended for 559/209 split
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2002-01-01
service expansion
Number pooling enforced for NPAs 209 and 559
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2023-12-14
relief planned
Overlay relief approved for NPA 559 with NPA 357
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2024-02-06
NPA 357 overlay on 559 announced
NPA 357 to Overlay NPA 559 (California)
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2025-03-26
Overlay of area code 357 over 559
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