Cities in area code 740

187 localities · NANPA data, current as of July 28, 2026.

These are the cities and communities covered by 740 in Ohio. "Covered" means the locality is a rate center holding 740 prefixes; the largest are Newark, Lancaster, Portsmouth.

Ranked by active prefixes, the code's territory runs through Newark, Lancaster, Portsmouth, Zanesville, Athens, Marion, Chillicothe and Delaware, and 178 smaller communities down to single-prefix localities.

64 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.

76 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.

All of the code's territory keeps Eastern time.

Remember that people keep numbers when they relocate, so a 740 number is a where-it-was-issued fact, not a where-they-are fact.

FAQ

What is the biggest city in area code 740?

Newark holds the most active prefixes (33), making it the code's largest numbering locality.

How many places does 740 cover?

187 rate centers in Ohio hold active 740 prefixes, from Newark down to communities with a single prefix.

Does a 740 number guarantee the caller lives in one of these places?

No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.