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      Long Distance Telephone Service in Diamond Bar, CA

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      5. Icon Inc

      Icon Inc
      909-612-4302Call Now
      Directions
      Telecommunications Services

      20955 Pathfinder Rd Ste 200, Diamond Bar, CA 91765

      7. Urban Telecommunications

      Urban Telecommunications
      909-860-6761Call Now
      Directions
      Telephone Communications Services

      2660 Crooked Creek Dr, Diamond Bar, CA 91765

      OPEN 24 HOURS

      8. Vincent Huang & Assoc Inc

      Vincent Huang & Assoc Inc
      909-861-9600Call Now
      Directions
      1.0
      1.0
      Telephone Equipment & Systems-Repair & ServiceCellular Telephone ServiceWireless Communication

      1550 Valley Vista Dr, Diamond Bar, CA 91765

      OPEN NOW:10:00 am - 8:30 pm

      "Starting with your HR department who failed to back-up and support an innocent employee from being fired at NO fault of his own, your director of sales lives in a reality of…"

      9. Awg

      Awg
      909-861-7800Call Now
      Directions
      Telephone Equipment & Systems-Repair & ServiceCellular Telephone Service

      1257 S Diamond Bar Blvd, Diamond Bar, CA 91765

      OPEN NOW:10:00 am - 8:30 pm

      11. Shera Inc

      Shera Inc
      909-396-7928Call Now
      Directions
      Telecommunications ServicesCable & Satellite Television

      21660 Copley Dr Ste 300, Diamond Bar, CA 91765

      CLOSED NOW:3:00 pm - 10:00 pm

      18. UScellular

      UScellular
      800-331-8923Call NowVisit Website
      4.5
      4.5
      Telephone CompaniesWireless CommunicationTelephone Equipment & Systems

      "They have the best coverage and service around! I have been a customer for 8 years, highly recommend!!!"

      YP
      42 Years
      in Business
      Learn More

      19. Vertex Telecom, Inc

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

      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…

      26. PBXDom LLC

      PBXDom LLC
      800-401-6635Call Now
      Directions
      Telecommunications Services

      Office No 1167 340 S Lemon Ave 340 S Lemon Ave, Walnut, CA 91789

      YP
      12 Years
      in Business

      29. Kall For Free

      Kall For Free
      313-437-3325Call Now
      Directions
      Telecommunications Services

      340 S Lemon Ave # 7247, Walnut, CA 91789

      OPEN 24 HOURS
      YP
      11 Years
      in Business

      30. Think Smarter Inc.

      Think Smarter Inc.
      313-437-3325Call Now
      Directions
      Telecommunications Services

      340 S Lemon Ave, Walnut, CA 91789

      YP
      11 Years
      in Business

      We found 807 results for Adding Phone Service in or near Diamond Bar, CA.They also appear in other related business categories including Telecommunications Services, Cellular Telephone Service, and Telephone Companies. 23 of the rated businesses have 4+ star ratings.


      The businesses listed also serve surrounding cities and neighborhoods including Santa Fe Springs, San Gabriel, and North Corona. These businesses offer their services in one-or-more of the following languages: Spanish, Chinese, and Cantonese.