Area Code 212: New York City’s Most Famous Phone Prefix
Area code 212 is one of the original 1947 codes and still stands for Manhattan; here is its history, its overlays, and practical dialing…
Area code 212 is one of the original 1947 codes and still stands for Manhattan; here is its history, its overlays, and practical dialing…
Area code 310 covers the westside of Los Angeles and the South Bay, and this guide explains its origins, the 424 overlay and how…
Area code 305 serves Miami and the Florida Keys, and this guide covers its origins as an original 1947 code, the 786 overlay and…
Area code 312 identifies downtown Chicago, and this overview explains its original 1947 role, how it shrank, the overlay codes and local dialing rules.
Area code 404 belongs to Atlanta and was Georgia's original 1947 code; this guide covers where it works, its overlays, and how to dial…
Area code 415 serves San Francisco and Marin County, and this guide explains its original 1947 role, the 628 overlay and how to dial…
Area code 617 serves Boston and nearby communities in Massachusetts, and this guide explains its original role, the 857 overlay and ten-digit dialing.
Area code 702 covers Las Vegas and the surrounding valley in Nevada, and this guide explains its origins, the 725 overlay and local dialing…
Area code 713 is tied to Houston, Texas, and this guide explains its original 1947 role, the companion codes that share the region, and…
Area code 202 serves Washington, D.C., and this guide covers its 1947 origin, the overlay that now shares the city, and tips for dialing…
Area code 206 is one of the original 1947 codes, now centered on Seattle; this guide explains where it is used, how to dial…
Area code 215 is one of the original 1947 codes and is tied to Philadelphia; learn about its overlays, dialing rules and what to…