--- title: "Guides | VanceTel Blog" description: "Articles in the Guides category of VanceTel's small-business telecom blog." image: https://vancetel.com/og/vancetel-business-telecom-default-og.jpg --- [Skip to main content](#main) [Skip to main content](#main) [All articles](https://vancetel.com/blog) Category # Guides 3 articles in this category [Guides](https://vancetel.com/blog/category/guides) ### [Business Phone Service Providers by Zip Code: What Your Zip Decides](https://vancetel.com/blog/business-phone-service-providers-by-zip-code) Business phone service providers by zip code: what your zip actually determines, what it does not, and how to vet a provider that truly covers your area. Aug 31, 2026 · 7 min read ![Business desk phone being plugged into an ethernet switch during installation](https://vancetel.com/images/blog/set-up-business-phone-system-1-hour.webp) [Guides](https://vancetel.com/blog/category/guides) ### [How to Set Up a Business Phone System in 1 Hour](https://vancetel.com/blog/set-up-business-phone-system-1-hour) An hour-by-hour playbook to get a five-line business VoIP system live, from unboxing to first answered call, with the gotchas we have learned. May 23, 2026 · 9 min read ![Stylized illustration of a phone number being transferred between two carriers](https://vancetel.com/images/blog/number-porting-how-it-works.webp) [Guides](https://vancetel.com/blog/category/guides) ### [What Is Number Porting and How Does It Work?](https://vancetel.com/blog/number-porting-how-it-works) Number porting moves your business phone number from one carrier to another. The legal basis, the real timeline, and what causes failed ports. May 21, 2026 · 7 min read Get a free quote ## Talk to a Tustin specialist Business phone systems, quoted straight. 15 minutes, no sales pressure. [Contact us](https://vancetel.com/contact) [See pricing](https://vancetel.com/pricing) [Call](tel:+18887535463) [Chat](sms:+17146215353) [Quote](https://vancetel.com/pricing#build) ## Get started - Call: (888) 753-5463 - Text: (714) 621-5353 - Email: support@vancetel.com - Build your bill: https://vancetel.com/pricing VanceTel is a business phone system (cloud VoIP with desk phones, a mobile app, and a desktop app) for teams of any size, built and supported from Tustin, CA.