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      Telephone Companies in Ontario, CA

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      1. One Internet America

      One Internet America
      909-457-0906Call NowVisit Website
      Directions
      Telephone CompaniesInternet Service Providers (ISP)Telecommunications Services

      350 S. Milliken Ave, Ontario, CA 91761

      OPEN 24 HOURS

      From Business: One Internet America is your local ISP Internet Services Provider offering Fiber Optic and Fixed Wireless Connectivity among other services which gives you an internet always…

      2. Data Tel Telephone Service

      Data Tel Telephone Service
      909-390-8897Call Now
      Directions
      Telephone CompaniesTelephone Equipment & Systems-Repair & ServiceTelecommunications Consultants

      4035 E Guasti Rd Ste 312, Ontario, CA 91761

      CLOSED NOW:

      From Business: What we do: Data-Tel is a one-stop shop for all your data and telephony needs. We sell, repair and maintain almost every major telephone system, voicemail, VOIP, data, call…

      YP
      33 Years
      in Business

      3. NoContractVoip

      NoContractVoip
      562-297-0000Call NowVisit Website
      Directions
      Telephone CompaniesTelecommunications ServicesTelephone Equipment & Systems-Repair & Service

      1042 N Mountain Ave Ste 392, Upland, CA 91786

      CLOSED NOW:Closed

      From Business: Give your budget a break with our office solutions. We'll help you save money, and make your phone experience better!

      YP
      42 Years
      in Business

      4. Audittel

      Audittel
      818-402-8808Call NowVisit Website
      Directions
      Telephone CompaniesInternet Service Providers (ISP)

      2910 S Archibald Ave # A139, Ontario, CA 91761

      CLOSED NOW:

      From Business: Internet Service Provider agent and telephone systems sales. We provide telecom auditing, inventory and service options to small, mid-size and enterprise businesses.

      5. Cricket Wireless Authorized Retailer

      Cricket Wireless Authorized Retailer
      909-391-1120Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone ServiceTelephone Equipment & Systems

      2238 S Euclid Ave Ste E, Ontario, CA 91762

      CLOSED NOW:10:00 am - 7:30 pm

      From Business: With Cricket, you can pick a cell phone plan to fit your lifestyle. Cricket offers unlimited talk, text, and data access, and no annual contract for cell phone service. Stop by…

      6. Startechtel.com, Inc.

      Startechtel.com, Inc.
      909-593-1957Call NowVisit Website
      Directions
      Telephone CompaniesTelephone Equipment & SystemsTelephone Communications Services

      206 N Towne Ave, Pomona, CA 91767

      CLOSED NOW:Closed

      From Business: For years StartechTel.com has offered communication services throughout Los Angeles and the Southern California area. StartechTel.com has since expanded to provide sales and…

      7. AT&T Store

      AT&T Store
      855-860-3917Call NowVisit Website
      Directions
      Telephone CompaniesWireless CommunicationCellular Telephone Service

      11144 Foothill Blvd, Rancho Cucamonga, CA 91730

      CLOSED NOW:9:00 am - 8:00 pm

      From Business: Stay connected with AT&T in Rancho Cucamonga. We offer phones, tablets, smartwatches, and connected devices from all of your favorite brands. We also offer wireless data plans…

      8. University Communications

      University Communications
      909-597-9734Call Now
      Directions
      Telephone CompaniesCommunications ServicesTelephone Equipment & Systems

      15068 Avenida De Las Flores, Chino Hills, CA 91709

      From Business: University Communications specializes in designing the best outdoor security camera systems and implementing structured network cabling systems including data and voice cabling…

      9. Sprint Store

      Sprint Store
      909-517-3911Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone ServiceTelephone Equipment & Systems

      3817 Grand Ave Ste A, Chino, CA 91710

      CLOSED NOW:11:00 am - 7:00 pm

      From Business: At Sprint stores, you get the phones you want with the plans you can't pass up. Come visit our helpful and knowledgeable staff of experts ready to answer your important…

      YP
      10 Years
      in Business

      10. Cricket Wireless Authorized Retailer

      Cricket Wireless Authorized Retailer
      909-315-8329Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone Service

      12427 Central Ave, Chino, CA 91710

      CLOSED NOW:10:00 am - 8:00 pm

      From Business: With Cricket, you can pick a cell phone plan to fit your lifestyle. Cricket offers unlimited talk, text, and data access, and no annual contract for cell phone service. Stop by…

      11. Cricket Wireless Authorized Retailer

      Cricket Wireless Authorized Retailer
      909-723-9599Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone ServiceWireless Communication

      8130 Vineyard Ave, Rancho Cucamonga, CA 91730

      CLOSED NOW:10:00 am - 6:00 pm

      From Business: With Cricket, you can pick a cell phone plan to fit your lifestyle. Cricket offers unlimited talk, text, and data access, and no annual contract for cell phone service. Stop by…

      12. Cricket Wireless Authorized Retailer

      Cricket Wireless Authorized Retailer
      909-326-1039Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone Service

      641 Indian Hill Blvd, Pomona, CA 91767

      CLOSED NOW:10:00 am - 7:30 pm

      From Business: With Cricket, you can pick a cell phone plan to fit your lifestyle. Cricket offers unlimited talk, text, and data access, and no annual contract for cell phone service. Stop by…

      13. Cell Shop-AT&T Authorized Retailer

      Cell Shop-AT&T Authorized Retailer
      909-850-5200Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone ServiceCellular Telephone Equipment & Supplies

      1900 N Campus Ave, Upland, CA 91784

      CLOSED NOW:10:00 am - 8:00 pm

      From Business: AT&T, serving over 81 million wireless customers

      14. Cricket Wireless Authorized Retailer

      Cricket Wireless Authorized Retailer
      909-397-0246Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone ServiceTelephone Equipment & Systems

      640 E Holt Ave, Pomona, CA 91767

      CLOSED NOW:10:00 am - 7:00 pm

      From Business: With Cricket, you can pick a cell phone plan to fit your lifestyle. Cricket offers unlimited talk, text, and data access, and no annual contract for cell phone service. Stop by…

      15. Cricket Wireless Authorized Retailer

      Cricket Wireless Authorized Retailer
      909-506-4259Call NowVisit Website
      Directions
      Telephone CompaniesCellular Telephone ServiceCellular Telephone Equipment & Supplies

      658 E Arrow Hwy, Pomona, CA 91767

      CLOSED NOW:10:00 am - 6:00 pm

      From Business: Welcome to the #CricketNation. Wireless that gives you Something to Smile About! #STSA

      16. Vertex Telecom, Inc

      Vertex Telecom, Inc
      213-996-1998Call NowVisit Website
      Directions
      Telephone CompaniesTelephone Companies-Long Distance ServiceTelephone Equipment & Systems-Repair & Service

      980 Corporate Center Dr, Pomona, CA 91768

      From Business: OneSuite Corporation, founded in 1999, is a Web-based telecommunication company that offers prepaid long-distance and unified messaging services. The company serves individuals…

      17. Inland Telephone

      Inland Telephone
      909-946-5891Call Now
      Directions
      Telephone CompaniesTelephone Equipment & SystemsTelecommunications-Equipment & Supply

      1495 W 9th St Ste 312, Upland, CA 91786

      CLOSED NOW:10:00 am - 7:00 pm
      YP
      44 Years
      in Business

      25. Quality Teleservices, Inc.

      Quality Teleservices, Inc.
      909-912-3333Call NowVisit Website
      Directions
      5.0
      5.0
      Telephone Companies

      280 N Benson Ave Ste 5, Upland, CA 91786

      CLOSED NOW:

      "Great company to do business with. Reliable and professional."

      YP
      33 Years
      in Business

      26. Menu People Inc

      Menu People Inc
      909-579-8236Call Now
      Directions
      Telephone CompaniesData Communication Services

      8333 Foothill Blvd, Rancho Cucamonga, CA 91730

      CLOSED NOW:

      29. Alston Tascom Inc

      Alston Tascom Inc
      909-548-7300Call Now
      Directions
      Telephone Companies

      13766 Arapahoe Pl, Chino, CA 91710

      CLOSED NOW:

      We found 141 results for Telephone Companies in or near Ontario, CA.They also appear in other related business categories including Cellular Telephone Service, Wireless Communication, and Telecommunications Services. 11 of the rated businesses have 4+ star ratings.


      The businesses listed also serve surrounding cities and neighborhoods including North Corona, Anaheim Hills, and San Dimas. These businesses offer their services in one-or-more of the following languages: Spanish, Chinese, and Italian.