The area code for Riverside is 951.

Area codes in Riverside

Get a phone number with the right area code for Riverside.

951 is the one code of Riverside. It split from 909 in 2004, and Colton and San Bernardino, just north, stayed in 909.

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Pick 951 for Riverside, which has no second code laid over it.

Pick 951 if the number should read as Riverside.

It was created on July 17, 2004, out of the southern part of the old 909 area. Corona, Moreno Valley and Temecula are in it too.

Pick 951 to cover the rest of the county.

Murrieta, Hemet, Banning and Idyllwild share the code, so one number serves a wide stretch of Riverside County.

Pick 909 if the number is for San Bernardino, Fontana or Ontario.

909 kept those cities in 2004, and its numbers go back to 1992, when it was split from 714.

People filed 108 FCC complaints about unwanted calls from the Riverside area code in 12 months.

From October 2025 to September 2026, 108 unwanted-call complaints filed with the FCC gave a caller ID number that started with 951.

  • 108unwanted-call complaints named a Riverside code

Riverside codes

How many complaints named a caller ID that starts with the Riverside code.

  1. 1951Riverside108

Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.

This is how you get a Riverside number.

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  2. 2

    Type the code you picked.

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People ask these questions about the Riverside area code.

More in the full FAQ.

It was until 2004. 909 was split in two that year, and Riverside went with the new code, 951.

No. 951 is the only code in its area. Calls inside it could be dialed with seven digits until October 24, 2021.

A local call in Riverside is dialed with 1 plus ten digits. The area code is part of every number you give out.

From October 2025 to September 2026, people filed 108 FCC complaints about unwanted calls from numbers that start with a Riverside code: 951 (108). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.

Yes. You type the area code you want when you create a number, and you do not need to live in Riverside. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.

No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.

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Codes around Riverside

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Every fact on this page comes from public numbering records.

The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database, and the complaints are the FCC's own.

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