Area Code 440 | Area Code Atlas

─────── § 04. NPA RECORD · 440 · FOLIO 0242 OF 0801 ──────────────

440

United States NPA Record

Area code 440 serves the Greater Cleveland area in Ohio, established in 1997 as a split from area code 216 to relieve number exhaustion.

IN SERVICEFirst record · 1997

◀ 439

440

441 ▶

§ 04.05Event Summary

overlay · 2split · 2boundary change · 1mandatory dialing · 1other · 1relief planned · 1

§ 04.06 Documentary Record · 8 events CHRONOLOGICAL ORDER

1997-01-01

split

actualROLE · CHILDPRECISION · YEAR📍 Eastern and western suburbs of Cleveland, Ohio

NPA 440 split from 216

📍 Eastern and western suburbs of Cleveland, Ohio

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1997-01-01

boundary change

actualROLE · AFFECTEDPRECISION · YEAR📍 Northern Ohio

NPA 440 was created as a barely contiguous territory around 216

📍 Northern Ohio

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1997-08-16

split

actualROLE · CHILD📍 Ohio

NPA 440 established from split of 216

📍 Ohio

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2021-10-24

mandatory dialing

actualROLE · SUBJECT📍 Ohio (440 NPA)

Mandatory ten-digit dialing for 440 due to 988 implementation

📍 Ohio (440 NPA)

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2022-12-14

relief planned

actualROLE · SUBJECT📍 Northern Ohio, area code 440

All-services overlay approved for NPA 440 with new NPA 436

📍 Northern Ohio, area code 440

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2023-02-16

overlay

plannedROLE · OVERLAYED📍 Ohio

NPA 436 overlay on 440 announced

NPA 436 to Overlay NPA 440 (Ohio)

📍 Ohio

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2023-02-16

other

actualROLE · AFFECTED📍 Northern Ohio

Overlay relief was applied to 440 rather than 216

NANPA planning materials for the 440/436 overlay show that later relief in northern Ohio was applied to 440, while 216 remained without an overlay.

📍 Northern Ohio

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2024-03-01

overlay

plannedROLE · AFFECTED📍 Ohio

Overlay of area code 440 with 436

📍 Ohio

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