NPA NXX - North American Telephone Database, Area Code,U.S. switching centers,NPA,NXX,Exchange,LATA,Telephone company,CLEC,CLLI Code, Number Portability,Vertical,Horizontal,Latitude Longitude, Mileage, NECA FCC Tariff #4, Voice Over IP, VOIP all in one package,Telecommunications Traffic, erlang, erlang b, extended erlang b, erlang c, poisson, binomial, engset, ccs, free erlang traffic calculator, Local Loop

Stuff Software Local Loop Finder!

Instructions: Enter address FIRST and then press "Find Address" button. If you know the NPANXX or CLLI of the C.O. enter it, then press "Find CO" button. If you don't know the NPANXX or CLLI, click the Find Nearby CO's" button, then select a CO from the list. The local loop configuration and distance will show at the bottom of the map.

Enter Address
Enter NPANXX or CLLI
Nearby C.O.s - distance order		Include Wireless Carriers

Number of free look ups: 0

Local Loop: The local loop is the connection (wireless or wired) between a customer’s telephone or data equipment and a Local Exchange Carrier or other telecommunications service provider. The local loop consists of copper wires, fiber, radio waves or other medium that extend to the end office switch.