The 341 area code is located in the state of California, and according to Intelius data, covers roughly 497 phone numbers and 510 listings across 81 prefixes.
This is a General Purpose Code, in service since July 22, 2019.
Area code 341 is part of an overlay complex shared with:
Area code 341 was split from area code 510.
Local and long-distance calls within area code 341 both require 1 plus 10 digits dialing.
Have you received a call from a number with a 341 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County Population (2025) | 1,636,630 |
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| County Population (2025) | 1,170,070 |
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