About this number
(610) 521 is a landline based telephone number operated by Verizon Pennsylvania, Inc. and is located in zip code 19078 in the city of Ridley Park, Pennsylvania, which is in Delaware County, and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 610 and Network Numbering Exchange (NXX - also known as a prefix) of 521. It has an Operating Company Number (OCN) of 9208. A Common Language Location Identifier (CLLI) of RDPKPARPDS0. As well as a Local access and transport area (LATA) of 228. Zip code 19078 has a population of 11,067 as of the 2010 census.