List of future North American area codes
List
†Indicates planned overlay of multiple area code regions. *Indicates exhaust date of the existing area code(s) that will require relief.

List of future North American area codes

Section Title: List
Table Section Text: †Indicates planned overlay of multiple area code regions. *Indicates exhaust date of the existing area code(s) that will require relief.

New area code	Jurisdiction	Affected area codes	Projected Exhaust date*	Effective date

227	Maryland	240/301	2024 – 1st Qtr	None

274	Wisconsin	920	2031 – 3rd Qtr	None

283	Ohio	513	2024 – 4th Qtr	None

326	Ohio	937	2020 – 3rd Qtr	March 8, 2020

327	Arkansas	870	2023 – 3rd Qtr	None

341	California	510	2019 – 4th Qtr	July 22, 2019

428	New Brunswick	506	2022 – 1st Qtr	November 21, 2020

447	Illinois	217	2021 – 3rd Qtr	None

464	Illinois	708	2021 – 1st Qtr	None

474	Saskatchewan	306/639	2022 – 3rd Qtr	None

557	Missouri	314	2025 – 4th Qtr	None

659	Alabama	205	2020 – 1st Qtr	November 12, 2019

672	British Columbia	236/250/604/778†	2020 – 1st Qtr	May 4, 2019

679	Michigan	313	2031 – 4th Qtr	None

689	Florida	407, pt. 321	2019 – 3rd Qtr	June 4, 2019

730	Illinois	618	2027 – 3rd Qtr	None

839	South Carolina	803	2020 – 2nd Qtr	May 26, 2020

879	Newfoundland and Labrador	709	2023 – 1st Qtr	None

975	Missouri	816	2025 – 3rd Qtr	None

Sentence(s)

Area code 937 is expected to exhaust the third quarter of 2020, so area code 326 (Ohio") is scheduled to overlay the 937 area.

final_sentence: Area code 937 is expected to exhaust the third quarter of 2020, so area code 326 (Ohio") is scheduled to overlay the 937 area.