How do I dial area code 510 from abroad?

Dial +1 510 followed by the 7-digit local number. For example: +1-510-XXX-XXXX.

DialHard - Area Code 510: California

Q: What area does 510 cover?

Area code 510 covers California in California.

Q: What time zone is area code 510?

Area code 510 is in the Pacific Time time zone (PST).

What area does 510 cover?

Area code 510 covers California in California.

What time zone is area code 510?

Pacific Time (PST)

Current local time: --:--

Fair time to call this area

Early morning · OK for personal calls. Not ideal for business.

How do I dial area code 510?

From within the US

510-XXX-XXXX or 1-510-XXX-XXXX

Most areas require 10-digit dialing even for local calls.

From abroad

+1 510 XXX XXXX

Replace +1 with your country's international dialing prefix if your phone doesn't support +.

Storing in contacts

+1510XXXXXXX

Use E.164 format (+1 followed by all 10 digits) for maximum compatibility.

Is 510 a mobile or landline area code?

In the US, area codes don't distinguish between mobile and landline numbers. A 510 number could be either. Number portability allows people to keep their numbers when switching between mobile and landline service.

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