New Area Codes 2025. 10 Most Popular Area Codes in the US Find Out What and Why Ringblaze 14, 2023, approves the request of the North American Numbering Plan Administrator, the neutral third-party area code relief planner for California, for an area code overlay to provide additional numbering resources to meet the demand for telephone numbers while minimizing customer. The 559 area code is expected to exhaust all available prefixes by September 2025
New Area Code will be coming in July of 2023 Vandalia Radio from www.vandaliaradio.com
Effective date 257: 236/672/778, 604, 250: British Columbia: 2025 - 4th Qtr [3] May 24, 2025 [4] [5] 357: 559: California: 2025 - 3rd Qtr March 26, 2025 [6] 457: 318: Louisiana: 2026 - 1st Qtr September 25 Includes old and new codes, geographic area affected, and test numbers
New Area Code will be coming in July of 2023 Vandalia Radio
Beginning March 26, 2025, new telephone lines or services in the 559 area may be assigned numbers from the new 357 area code For more information, please visit the CPUC's official announcement. Get ready for a change in how you dial as new 357 area code comes to Central Valley Cellphone users also need to start a call by dialing the area code
10 Most Popular Area Codes in the US Find Out What and Why Ringblaze. Except where noted, the new area codes have not yet been announced officially, but the predictions are guesses based on other publicly available information. 313/679 new area code expected Nov 2025 (PDF, 762KB) 616/810/906/989 (PDF, 31KB) Minnesota
Get ready for new area codes for old areas Curbed Seattle. Older splits and overlays (effective before 2024-01-01) — see oldnews.html; Note: all dates are in year-month-day format, so 2026-02-23 = February 23, 2026. Anyone assigned a new 357 area code telephone number must use the new dialing procedure