Area Code Atlas

Area Code · Historical Record · areacodeatlaslive.com
─────── § 04. NPA RECORD · 415 · FOLIO 0217 OF 0801 ──────────────
415
United States NPA Record

Area code 415 is one of the original North American area codes assigned in 1947, originally covering central California including the San Francisco Bay Area.

Area code 415 is one of the original North American area codes assigned in 1947, originally covering central California including the San Francisco Bay Area.

IN SERVICEFirst record · 1947
§ 04.05Event Summary
other · 6split · 6relief planned · 3boundary change · 2overlay · 2introduced · 1mandatory dialing · 1relief canceled · 1
§ 04.06 Documentary Record · 22 events CHRONOLOGICAL ORDER
1947-01-01
introduced
actualROLE · SUBJECTPRECISION · YEAR📍 Central California

Area code 415 established as an original area code

📍 Central California
1950-01-01
boundary change
actualROLE · AFFECTEDPRECISION · YEAR📍 California

California NPA boundaries redrawn

📍 California
1950-01-01
boundary change
actualROLE · PARENTPRECISION · YEAR📍 Northeastern California

California NPA boundaries redrawn, including 415 and 916

📍 Northeastern California
1951-11-10
other
actualROLE · MENTIONED📍 Englewood, New Jersey

First Direct Distance Dialing call using NPA 201

📍 Englewood, New Jersey
1959-01-01
split
actualROLE · PARENTPRECISION · YEAR📍 Northern California

NPA 415 split to create NPA 707 in 1959

📍 Northern California
1959-01-01
split
actualROLE · PARENTPRECISION · YEAR📍 Northwestern California

NPA 408 split from 415 in 1959

📍 Northwestern California
1959-03-01
split
actualROLE · PARENT📍 California

NPA 408 split from 415

📍 California
1990-06-13
other
actualROLE · MENTIONED

NANP - REVISED DATE FOR SPLIT OF 415 (CALIFORNIA) NUMBERING PLAN AREA

1991-01-01
split
actualROLE · PARENTPRECISION · YEAR📍 California (East Bay)

NPA 510 split from 415

Area code 510 was created in 1991 as a split from 415 to serve most of the East Bay region of California, including cities such as Oakland and Berkeley.

📍 California (East Bay)
1991-09-02
split
actualROLE · PARENT📍 East Bay, California

NPA 510 split from 415 for the East Bay in 1991

📍 East Bay, California
1996-11-22
other
actualROLE · MENTIONED📍 NPA

NANP-Split of 415 (California) Numbering Plan Area (NPA)

📍 NPA
1996-12-19
other
actualROLE · MENTIONED📍 California

Extraordinary NPA-Specific Conservation Procedures for 310, 415, 619 and 714 NPAs (California)

📍 California
1997-06-20
relief planned
plannedROLE · AFFECTED

Changes to the 415 and 714 NPA (California) Relief Plans

1997-08-02
split
actualROLE · PARENT📍 San Mateo County, California

NPA 650 split from 415 for San Mateo County in 1997

📍 San Mateo County, California
1999-08-26
other
actualROLE · MENTIONED

NANP- Overlay of 415 Numbering Plan Area (NPA) with 628 NPA - California

1999-12-16
relief canceled
actualROLE · MENTIONED📍 California

Suspension of overlay relief for 408 and other NPAs

📍 California
2000-01-14
other
actualROLE · MENTIONED

Overlays Suspended in the 408, 415, 510, 650, 714 & 909 NPAs

2011-06-21
relief planned
plannedROLE · AFFECTED📍 California

NPA 415, 619, 650, 707 - Relief Plans Dismissed (California)

📍 California
2014-01-28
overlay
plannedROLE · OVERLAYED📍 California

NPA 628 overlay on 415 announced

NPA 628 to Overlay NPA 415 (California)

📍 California
2015-02-21
overlay
actualROLE · OVERLAYED📍 San Francisco and northern suburbs, California

Area code 628 overlaid on 415 in 2015

📍 San Francisco and northern suburbs, California
2015-02-21
mandatory dialing
actualROLE · AFFECTED📍 San Francisco and northern suburbs, California

Mandatory ten-digit dialing implemented for 415/628 overlay

📍 San Francisco and northern suburbs, California
2015-02-21
relief planned
actualROLE · SUBJECT📍 San Francisco and northern suburbs, California

Overlay planned for 415 with new code 628

📍 San Francisco and northern suburbs, California
ONLINE
SECT 02.NPA
CURSOR 415
VISITS 0
NPAs VIEWED 1
RECORDS ACCESSED 22
SOURCES VIEWED 0
▣ STATIC PROTOTYPE