| 610-616 | Philadelphia | Mci Worldcom Comms |
| 610-617 | Merion Station | |
| 610-618 | Kutztown | D&e/omnipoint Wirel Joint Vent Lp DBA PCS One |
| 610-619 | Chester | Telcove Of Eastern Pennsylvania |
| 610-620 | Wayne | AT&T Local |
| 610-621 | Reading | Telcove Of Eastern Pennsylvania |
| 610-622 | Lansdowne | |
| 610-623 | Lansdowne | |
| 610-624 | Philadelphia | Mci Worldcom Comms |
| 610-625 | Bethlehem | Service Electric TelephoneCo. |
| 610-626 | Lansdowne | |
| 610-627 | Media | |
| 610-628 | Allentown | Level 3 Comms |
| 610-629 | Conshohocken | |
| 610-630 | Norristown | |
| 610-631 | Norristown | |
| 610-632 | Merion Station | |
| 610-633 | Paoli | Sprint |
| 610-634 | Chester Springs | Tcg New Jersey |
| 610-635 | Norristown | |
| 610-636 | Bala Cynwyd | Sprint |
| 610-637 | Paoli | Sprint |
| 610-638 | Lansdowne | Telcove Of Eastern Pennsylvania |
| 610-639 | Norristown | Verizon Wireless |
| 610-640 | Paoli | |
| 610-641 | Topton | Windstream Conestoga |
| 610-642 | Wynnewood | |
| 610-643 | Coatesville | Xo Comms Services |
| 610-644 | Paoli | |
| 610-645 | Wynnewood | |
| 610-646 | Chester Springs | Xo Comms Services |
| 610-647 | Paoli | |
| 610-648 | Paoli | |
| 610-649 | Wynnewood | |
| 610-650 | Norristown | |
| 610-651 | Paoli | |
| 610-652 | Shanesville | Service Electric TelephoneCo. |
| 610-653 | Bethlehem | Omnipoint Comms Enterprises, |
| 610-654 | Ft Wash | Service Electric TelephoneCo. |
| 610-655 | Reading | |
| 610-656 | Paoli | Sprint |
| 610-657 | Allentown | Cingular Wireless |
| 610-658 | Wynnewood | |
| 610-659 | Bala Cynwyd | Cingular Wireless |
| 610-660 | Merion Station | |
| 610-662 | Bala Cynwyd | Cingular Wireless |
| 610-663 | Allentown | |
| 610-664 | Merion Station | |
| 610-665 | Wayne | Telcove Of Eastern Pennsylvania |
| 610-666 | Norristown | |
| 610-667 | Merion Station | |
| 610-668 | Merion Station | |
| 610-669 | Paoli | |
| 610-670 | Reading | |
| 610-671 | Wayne | Xo Comms Services |
| 610-672 | Philadelphia | Xo Comms Services |
| 610-673 | Wayne | AT&T Local |
| 610-674 | Allentown | Cingular Wireless |
| 610-675 | Glen Mills | Xo Comms Services |
| 610-676 | Norristown | |
| 610-677 | Bala Cynwyd | Rcn Telecom Service |
| 610-678 | Reading | |
| 610-679 | Coatesville | Metro PCS |
| 610-680 | Philadelphia | Broadwing Comms |
| 610-681 | Kresgeville | Palmerton Telco |
| 610-682 | Topton | Windstream Conestoga |
| 610-683 | Kutztown | |
| 610-684 | Conshohocken | Atx Telecom Services, Ltd |
| 610-685 | Reading | Ctsi |
| 610-686 | Catasauqua | AT&T Local |
| 610-687 | Villanova | |
| 610-688 | Villanova | |
| 610-689 | Yellow House | Windstream Conestoga |
| 610-690 | Swarthmore | |
| 610-691 | Bethlehem | |
| 610-692 | W Chester | |
| 610-693 | Robesonia | Verizon North |
| 610-694 | Bethlehem | |
| 610-695 | Paoli | |
| 610-696 | W Chester | |
| 610-697 | Northampton | Service Electric TelephoneCo. |
| 610-698 | Reading | Cingular Wireless |
| 610-699 | Paoli | Telcove Of Eastern Pennsylvania |
| 610-701 | W Chester | |
| 610-702 | Bally | Service Electric TelephoneCo. |
| 610-703 | Allentown | Cingular Wireless |
| 610-704 | Allentown | Cingular Wireless |
| 610-705 | Pottstown | |
| 610-706 | Allentown | |
| 610-707 | Philadelphia | Mci Worldcom Comms |
| 610-708 | Chadds Ford | Mci Worldcom Comms |
| 610-709 | Allentown | |
| 610-710 | Villanova | Sprint |
| 610-712 | Allentown | |
| 610-713 | Havertown | |
| 610-714 | Lehighton | Tcg New Jersey |
| 610-715 | Norristown | Verizon Wireless |
| 610-716 | Norristown | Verizon Wireless |
| 610-717 | Glen Mills | Global Crossing Local Services |
| 610-718 | Pottstown | |
| 610-719 | W Chester | |
| 610-721 | Philadelphia | Sprint |
| 610-722 | Paoli | |
| 610-723 | Newtown Square | Telcove Of Eastern Pennsylvania |
| 610-724 | Norristown | Verizon Wireless |
| 610-725 | Paoli | |
| 610-726 | Philadelphia | Tcg New Jersey |
| 610-727 | Paoli | Tcg New Jersey |
| 610-728 | Wayne | Tcg New Jersey |
| 610-729 | Philadelphia | Tcg New Jersey |
| 610-730 | Bethlehem | Verizon Wireless |
| 610-731 | Norristown | |
| 610-732 | W Chester | |
| 610-733 | Norristown | Cingular Wireless |
| 610-734 | Havertown | |
| 610-735 | Norristown | Core Comms |
| 610-736 | Reading | |
| 610-737 | Allentown | Verizon Wireless |
| 610-738 | W Chester | |
| 610-739 | Allentown | Cingular Wireless |
| 610-740 | Allentown | |
| 610-741 | Reading | Cingular Wireless |
| 610-742 | Glen Mills | Verizon Wireless |
| 610-743 | Reading | Cingular Wireless |
| 610-744 | Philadelphia | Mci Worldcom Comms |
| 610-745 | Bala Cynwyd | Cingular Wireless |
| 610-746 | Nazareth | |
| 610-747 | Merion Station | |
| 610-748 | Hellertown | Service Electric TelephoneCo. |
| 610-749 | Riegelsville | |
| 610-750 | Reading | Cingular Wireless |
| 610-751 | Allentown | Cingular Wireless |
| 610-752 | Reading | USA Mobility Wireless |
| 610-753 | Pottstown | Aquis Comms |
| 610-754 | Shanesville | Windstream Conestoga |
| 610-755 | Norristown | Atx Telecom Services, Ltd |
| 610-756 | Kempton | Verizon North-pa (quaker St) |
| 610-757 | Norristown | Telcove Of Eastern Pennsylvania |
| 610-758 | Bethlehem | |
| 610-759 | Nazareth | |
| 610-760 | Slatington | |
| 610-761 | Norristown | Cingular Wireless |
| 610-762 | Allentown | Cingular Wireless |
| 610-763 | Reading | Cingular Wireless |
| 610-764 | Norristown | Cingular Wireless |
| 610-765 | Kennett Sq | Telcove Of Eastern Pennsylvania |
| 610-766 | Philadelphia | AT&T Local |
| 610-767 | Slatington | |
| 610-768 | King Of Prussia | |
| 610-769 | Ironton | Ironton Telco |
| 610-770 | Allentown | |
| 610-771 | Merion Station | |
| 610-772 | Wayne | AT&T Local |
| 610-773 | Chester | Aquis Comms |
| 610-774 | Allentown | |
| 610-775 | Reading | |
| 610-776 | Allentown | |
| 610-777 | Reading | |
| 610-778 | Allentown | |
| 610-779 | Reading | Verizon Pennsylvania, Inc. |
| 610-780 | Whitehall | New Cingular Wireless Pcs, Llc - Dc |
| 610-781 | Whitehall | New Cingular Wireless Pcs, Llc - Dc |
| 610-782 | Allentown | Verizon Pennsylvania, Inc. |
| 610-783 | King of Prussia | Verizon Pennsylvania, Inc. |
| 610-784 | Philadelphia | Atx Telecommunications Services, Ltd |
| 610-785 | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 610-786 | Warminster | Cavalier Telephone Mid-atlantic, Llc - Pa |
| 610-787 | Plymouth Meeting | Rcn Telecom Service Of Pennsylvania, Inc. |
| 610-788 | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 610-789 | Upper Darby | Verizon Pennsylvania, Inc. |
| 610-790 | Philadelphia | Atx Telecommunications Services, Ltd |
| 610-791 | Allentown | Verizon Pennsylvania, Inc. |
| 610-792 | Royersford | Verizon Pennsylvania, Inc. |
| 610-793 | West Chester | Verizon Pennsylvania, Inc. |
| 610-794 | Allentown | Ironton Telephone Co. |
| 610-795 | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 610-796 | Reading | Verizon Pennsylvania, Inc. |
| 610-797 | Allentown | Verizon Pennsylvania, Inc. |
| 610-798 | Allentown | Verizon Pennsylvania, Inc. |
| 610-799 | Coplay | Ironton Telephone Co. |
| 610-800 | Philadelphia | Sprint Spectrum L.p. |
| 610-801 | Philadelphia | Telcove Of Eastern Pennsylvania - Pa |
| 610-802 | Philadelphia | Sprint Spectrum L.p. |
| 610-803 | Norristown | Netcarrier Telecom, Inc. - Pa |
| 610-804 | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 610-805 | Philadelphia | Sprint Spectrum L.p. |
| 610-806 | New Castle | Tcg New Jersey, Inc. - Pa |
| 610-807 | Bethlehem | Verizon Pennsylvania, Inc. |
| 610-808 | Allentown | Mci Worldcom Communications, Inc. - Pa |
| 610-809 | Philadelphia | Sprint Spectrum L.p. |
| 610-810 | Norristown | Core Communications, Inc. - Pa |
| 610-812 | Norristown | New Cingular Wireless Pcs, Llc - Dc |
| 610-813 | Allentown | Xo Communications Services Inc - Pa |
| 610-814 | Bethlehem | Verizon Pennsylvania, Inc. |
| 610-815 | Philadelphia | Usa Mobility Wireless, Inc. |
| 610-816 | Plymouth Meeting | Windstream D & E Systems, Inc. - Pa |
| 610-817 | Philadelphia | Usa Mobility Wireless, Inc. |
| 610-818 | Fort Washington | Broadwing Communications, Llc - Pa |
| 610-820 | Allentown | Verizon Pennsylvania, Inc. |
| 610-821 | Allentown | Verizon Pennsylvania, Inc. |