Awaiting 771 Area Code, DC Must Dial 10 Digits Next October
The North American numbering plan administrator revealed a timeline for overlaying with 771 the 202 area code in Washington, D.C. (see 2009220017). Permissive 10-digit dialing, when users can dial either seven or 10 digits, starts April 10; 10-digit dialing is…
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mandatory Oct. 9, said NANPA. The earliest the 771 overlay would be activated is Nov. 9, 2021. The soonest that central office codes in the 771 NPA may be ordered through NANPA is Sept. 4, and they won’t be assigned until 202 is exhausted.