phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.
Area Code Detail

Area Code 840

California (southwestern San Bernardino County and a small portion of Los Angeles and Riverside counties, including Fontana, Pomona, Chino Hills, Claremont, Chino, Ontario, and Redlands) · In service since February 23, 2021

CA
Reports, 30 Days 0

Recent FCC and FTC complaint records tied to this area code.

Reports, 180 Days 0

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 133

Distinct NPA-NXX prefixes surfaced from routing and assignment data.

Carriers / Assignees 22

Named carriers, assignees, or code holders found in routing data.

Cities / Rate Centers 19

Distinct cities or rate centers attached to this area code.

States / Territories 1

Coverage footprint visible from NANPA, pooled block, and Canada routing data.

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Overview

What this area code covers

California (southwestern San Bernardino County and a small portion of Los Angeles and Riverside counties, including Fontana, Pomona, Chino Hills, Claremont, Chino, Ontario, and Redlands)

overlaid on 909

Common cities and rate centers

Arrowhead Big Bear City Calimesa Chino Claremont Colton Crestline Diamond Bar Etiwanda Fontana Highland Marshall Mentone Ontario Pomona Redlands Rialto San Bernardino

Top carriers and assignees

  • T-MOBILE USA, INC. · 302 routing rows
  • NEW CINGULAR WIRELESS PCS, LLC · 250 routing rows
  • ONVOY, LLC - CA · 246 routing rows
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA · 209 routing rows
  • FRACTEL, LLC · 65 routing rows
  • COMMIO, LLC · 65 routing rows
  • BANDWIDTH.COM CLEC, LLC - CA · 46 routing rows
  • ONVOY SPECTRUM, LLC · 45 routing rows
  • TELNYX LLC · 19 routing rows
  • PEERLESS NETWORK OF CALIFORNIA, LLC - CA · 13 routing rows
  • BOOST SUBSCRIBERCO L.L.C. · 10 routing rows
  • MULTIPLE OCN LISTING · 9 routing rows
NPA-NXX

Prefix directory inside area code 840

Each prefix below is collapsed to one primary locality row so you can scan the area code by prefix without the duplicated block-level assignment rows.

Prefix Primary Rate Center Primary City State
840-200-XXXX CHINO Chino CA
840-201-XXXX FONTANA Fontana CA
840-202-XXXX POMONA Pomona CA
840-203-XXXX S BERNDINO San Bernardino CA
840-204-XXXX S BERNDINO San Bernardino CA
840-205-XXXX CLAREMONT Claremont CA
840-206-XXXX CHINO Chino CA
840-207-XXXX ARROWHEAD Arrowhead CA
840-208-XXXX CLAREMONT Claremont CA
840-209-XXXX ARROWHEAD Arrowhead CA
840-210-XXXX FONTANA Fontana CA
840-211-XXXX CA
840-212-XXXX CHINO Chino CA
840-213-XXXX REDLANDS Redlands CA
840-214-XXXX MARSHALL Marshall CA
840-215-XXXX HIGHLAND Highland CA
840-216-XXXX ARROWHEAD Arrowhead CA
840-217-XXXX FONTANA Fontana CA
840-218-XXXX CHINO Chino CA
840-219-XXXX CALIMESA Calimesa CA
840-220-XXXX RIALTO Rialto CA
840-221-XXXX S BERNDINO San Bernardino CA
840-222-XXXX S BERNDINO San Bernardino CA
840-223-XXXX CALIMESA Calimesa CA
840-224-XXXX S BERNDINO San Bernardino CA
840-225-XXXX POMONA Pomona CA
840-226-XXXX POMONA Pomona CA
840-227-XXXX S BERNDINO San Bernardino CA
840-228-XXXX COLTON Colton CA
840-229-XXXX CLAREMONT Claremont CA
840-230-XXXX POMONA Pomona CA
840-231-XXXX POMONA Pomona CA
840-232-XXXX FONTANA Fontana CA
840-233-XXXX ARROWHEAD Arrowhead CA
840-234-XXXX ARROWHEAD Arrowhead CA
840-235-XXXX COLTON Colton CA
840-236-XXXX CLAREMONT Claremont CA
840-237-XXXX ONTARIO Ontario CA
840-238-XXXX POMONA Pomona CA
840-239-XXXX FONTANA Fontana CA
840-240-XXXX DIAMONDBAR Diamond Bar CA
840-241-XXXX RIALTO Rialto CA
840-242-XXXX UPLAND Upland CA
840-243-XXXX POMONA Pomona CA
840-244-XXXX DIAMONDBAR Diamond Bar CA
840-245-XXXX REDLANDS Redlands CA
840-246-XXXX ETIWANDA Etiwanda CA
840-247-XXXX HIGHLAND Highland CA
840-248-XXXX FONTANA Fontana CA
840-249-XXXX MARSHALL Marshall CA
840-250-XXXX ARROWHEAD Arrowhead CA
840-251-XXXX REDLANDS Redlands CA
840-252-XXXX MENTONE Mentone CA
840-253-XXXX CALIMESA Calimesa CA
840-254-XXXX RIALTO Rialto CA
840-255-XXXX S BERNDINO San Bernardino CA
840-256-XXXX UPLAND Upland CA
840-257-XXXX COLTON Colton CA
840-258-XXXX HIGHLAND Highland CA
840-259-XXXX POMONA Pomona CA
840-260-XXXX POMONA Pomona CA
840-261-XXXX FONTANA Fontana CA
840-262-XXXX ARROWHEAD Arrowhead CA
840-263-XXXX FONTANA Fontana CA
840-264-XXXX POMONA Pomona CA
840-265-XXXX ARROWHEAD Arrowhead CA
840-266-XXXX S BERNDINO San Bernardino CA
840-267-XXXX POMONA Pomona CA
840-268-XXXX MARSHALL Marshall CA
840-269-XXXX ONTARIO Ontario CA
840-270-XXXX ONTARIO Ontario CA
840-271-XXXX FONTANA Fontana CA
840-272-XXXX CHINO Chino CA
840-273-XXXX MENTONE Mentone CA
840-274-XXXX ARROWHEAD Arrowhead CA
840-275-XXXX POMONA Pomona CA
840-276-XXXX UPLAND Upland CA
840-277-XXXX CLAREMONT Claremont CA
840-278-XXXX ARROWHEAD Arrowhead CA
840-279-XXXX ONTARIO Ontario CA
840-280-XXXX S BERNDINO San Bernardino CA
840-281-XXXX COLTON Colton CA
840-282-XXXX CHINO Chino CA
840-283-XXXX ARROWHEAD Arrowhead CA
840-284-XXXX CHINO Chino CA
840-285-XXXX FONTANA Fontana CA
840-286-XXXX ARROWHEAD Arrowhead CA
840-287-XXXX MARSHALL Marshall CA
840-288-XXXX S BERNDINO San Bernardino CA
840-300-XXXX REDLANDS Redlands CA
840-311-XXXX CA
840-333-XXXX POMONA Pomona CA
840-336-XXXX COLTON Colton CA
840-345-XXXX POMONA Pomona CA
840-356-XXXX ARROWHEAD Arrowhead CA
840-400-XXXX ONTARIO Ontario CA
840-411-XXXX CA
840-444-XXXX ARROWHEAD Arrowhead CA
840-465-XXXX CHINO Chino CA
840-466-XXXX UPLAND Upland CA
840-500-XXXX BIGBEAR CY Big Bear City CA
840-511-XXXX CA
840-555-XXXX DIR ASST CA
840-587-XXXX S BERNDINO San Bernardino CA
840-588-XXXX DIAMONDBAR Diamond Bar CA
840-600-XXXX COLTON Colton CA
840-611-XXXX CA
840-666-XXXX FONTANA Fontana CA
840-677-XXXX ETIWANDA Etiwanda CA
840-688-XXXX CRESTLINE Crestline CA
840-699-XXXX ONTARIO Ontario CA
840-700-XXXX CA
840-711-XXXX CA
840-777-XXXX POMONA Pomona CA
840-788-XXXX FONTANA Fontana CA
840-799-XXXX RIALTO Rialto CA
840-800-XXXX UPLAND Upland CA
840-804-XXXX CLAREMONT Claremont CA
840-811-XXXX CA
840-837-XXXX POMONA Pomona CA
840-840-XXXX ONTARIO Ontario CA
840-877-XXXX MARSHALL Marshall CA
840-888-XXXX REDLANDS Redlands CA
840-899-XXXX HIGHLAND Highland CA
840-900-XXXX RIALTO Rialto CA
840-911-XXXX CA
840-950-XXXX CA
840-958-XXXX CA
840-959-XXXX CA
840-976-XXXX CA
840-977-XXXX CLAREMONT Claremont CA
840-998-XXXX HIGHLAND Highland CA
840-999-XXXX UPLAND Upland CA
Recent Signals

Latest complaint activity tied to 840

Complaint pages are the strongest indexing opportunity for this site right now, especially for exact phone numbers and toll-free exchanges.

No recent complaint records were found for this area code.