Below is a list of Neffs PA zip codes. For your research we have also included Neffs Area Code, Time Zone, UTC and the local Lehigh County FIPS Code. Each Neffs Pennsylvania zip code has a center Longitude / Latitude point (the Neffs center is -75.609703063965 / 40.694801330566). For your convenience we have also indicated if that zip code in Neffs observes Daylight Savings time.