--- title: "512 area code: Austin business phone numbers | Chargezen" description: "Area code 512 covers Austin, Round Rock, San Marcos and Central Texas, on Central time. See its overlay, open 512 numbers and how Concierge answers." url: "https://chargezen.com/phone-numbers/texas/512-area-code" lang: "en" --- Canonical URL: https://chargezen.com/phone-numbers/texas/512-area-code # A 512 number for your Austin business. Area code 512 is Austin and the towns around it. Get a 512 number for calls and texts, or bring yours, and let Concierge answer it. [Get a 512 number](https://admin.chargezen.com/signup) time zone Central time zone in service since 1947 in service since overlay code 737 overlay code ## Where 512 is. 512 is one of the original 1947 codes. It once covered a wide stretch of South Central Texas, including San Antonio and Corpus Christi. San Antonio moved to 210 in 1992 and Corpus Christi to 361 in 1999, so 512 now centers on Austin. The 737 overlay went into service in 2013. New numbers in Austin and its suburbs can start with either 512 or 737. State [Texas](https://chargezen.com/phone-numbers/texas) Main cities Austin, Round Rock, Georgetown, Cedar Park, Pflugerville, San Marcos, Kyle, Bastrop, Lockhart and Dripping Springs Counties Travis, Williamson, Hays, Bastrop and Caldwell Time zone Central time Overlays 737 (2013) Neighboring codes * 254: Temple, Killeen and Waco, to the north * 830: the Hill Country and New Braunfels, to the west and south * 979: the counties to the east, toward Bryan and College Station In service since 1947 ## Open 512 numbers right now. A live sample from our carrier. Numbers are not held, so they can be taken at any time. Not seeing one you like? 737 numbers serve the same area as 512, and [a toll-free number](https://chargezen.com/phone-numbers/toll-free) works everywhere. You can also see all [Texas numbers](https://chargezen.com/phone-numbers/texas). ## How Concierge answers on a 512 number. A 512 number places you in Austin, whether you run a storefront on South Congress or a fast-growing online brand in Round Rock. Concierge answers calls and texts on Central time, weekends too. 1. 1 ### A customer calls or texts Concierge picks up on your 512 number, recognizes customers by their phone number and pulls up their orders and history. 2. 2 ### It handles the request Order status, changes, refunds within your rules, and questions about your products. 3. 3 ### A teammate joins if needed One tap to join the call. Concierge introduces your teammate to the caller first. 4. 4 ### Everything stays on record Calls and texts land in your team inbox, in one history for each customer. You choose who answers each number: a digital employee takes every call, a teammate gets the first ring and Concierge picks up if nobody answers, or only teammates answer. ## Get a 512 number that answers. A local 512 number for calls and texts, answered day and night, with your team one tap away. [Get a number](https://admin.chargezen.com/signup) [See Concierge](https://chargezen.com/concierge) ## Common questions ### Is 512 a toll-free number? No. 512 is a local area code for Austin and Central Texas, Texas. Callers are charged as they would be for any regular call on their phone plan. Toll-free numbers start with 800, 833, 844, 855, 866, 877 or 888, and the business pays for those calls. ### What time zone is 512? 512 is on Central time. Most of Texas is on Central time. El Paso and the far western tip of the state, area code 915, are on Mountain time. ### Can I text from a 512 number? Yes. A 512 number from Chargezen takes both calls and texts. US carriers require 10DLC registration before a business texts from a local number, and Chargezen files it for you from the details you provide. Concierge answers the texts as well as the calls. ### Can I keep my number if I switch? Yes. Bring your 512 number over from your current provider. Chargezen checks that the number can move, you sign a letter of authorization in Chargezen, and you follow the transfer there. The number stays the same, area code included. ### What other area codes cover Austin and Central Texas? 737 is an overlay on 512, so it shares the same area. A new number there can start with any of them. ## More area codes and numbers. [ ### 212 area code Manhattan, New York.](https://chargezen.com/phone-numbers/new-york/212-area-code) [ ### 310 area code West Los Angeles and the South Bay, California.](https://chargezen.com/phone-numbers/california/310-area-code) [ ### 312 area code Downtown Chicago, Illinois.](https://chargezen.com/phone-numbers/illinois/312-area-code) [ ### Texas numbers Every Texas area code, with live numbers.](https://chargezen.com/phone-numbers/texas) [ ### Toll-free numbers 800, 833, 844, 855, 866, 877 and 888 on one page.](https://chargezen.com/phone-numbers/toll-free) [ ### A business number One toll-free or local number for calls and texts, or bring your own.](https://chargezen.com/concierge/features/business-phone-number) [ ### 10DLC Glossary: the registration US carriers require for business texts on local numbers.](https://chargezen.com/glossary/10dlc-10-digit-long-code) [ ### Number porting Glossary: how a phone number moves to a new provider, step by step.](https://chargezen.com/glossary/number-porting) [ ### All phone numbers Search by area code or state.](https://chargezen.com/phone-numbers) Sources: area codes, in-service years, overlays and time zones from the [NANPA NPA database](https://www.nanpa.com/reports/npa-reports) (North American Numbering Plan Administrator), checked October 18, 2026. NANPA lists the original area codes as in service from January 1, 1947. Cities, counties and neighboring codes are public geography. Available numbers come live from our carrier, change constantly and are not held for you.