I Figure 6-3: Points of Presence(POPs) Local Access and Transport Area ( LATA) Other Local area Local Long-Distance POP Carrier 1 Carrier a POP Sw itch E International CarrierⅩ Local Carrier 2 Sw itch Other Country Local Local In the U.s., competing Carrier 1 Carrier 2 carriers connect at Customer Customer points of presence(POPs) 6-106-10 Figure 6-3: Points of Presence (POPs) In the U.S., competing carriers connect at points of presence (POPs). Local Access and Transport Area (LATA) Local Carrier 1 Sw itch Local Carrier 2 Sw itch POP Local Carrier 1 Customer Local Carrier 2 Customer Other Local Area Other Country POP Long-Distance Carrier A International Carrier X