─────── § 04. NPA RECORD · 411 · FOLIO 0213 OF 0801 ──────────────
411
Area Code Record
N11 abbreviated dialing code used for information services in the North American Numbering Plan, standardized alongside 611 in the 1960s.
N11 abbreviated dialing code used for information services in the North American Numbering Plan, standardized alongside 611 in the 1960s.
IN SERVICENOT ASSIGNABLEFirst record · 1930
§ 04.05Event Summary
boundary change · 3service reduction · 3retired · 2activated · 1introduced · 1
§ 04.06
Documentary Record · 10 events
CHRONOLOGICAL ORDER
1930-01-01
activated
411 introduced for directory assistance in major US cities
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1960-01-01
introduced
Standardization of 611 and 411 N11 codes
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1962-01-01
boundary change
Springfield, Massachusetts switches to 411 for local directory assistance
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1966-01-01
boundary change
Atlanta changes Information code to 411
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2008-07-08
boundary change
Historical use of 411 in major cities
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2021-11-01
service reduction
AT&T ends 411 directory assistance for cellphone users
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2022-11-01
service reduction
AT&T withdraws 411 service for wireless customers
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2022-11-08
retired
AT&T discontinues 411 directory assistance
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2022-11-08
retired
Discontinuation of 411 service in North America
The 411 directory assistance number was phased out in North America, with AT&T ending its service, as reported by Bloomberg on November 8, 2022.
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2023-01-01
service reduction
AT&T discontinues 411 service for landline customers in 21 states
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