21. Moreover, many smaller companies will first list on the local exchange before venturing abroad. 22. Improvements in local networks and local exchanges continue to lag. 23. Piltel already operates eight local exchanges in Mindanao, which have about 50, 000 customers. 24. (AT & T ), according to the new local exchange carriers ( LECs ). 25. The competitive local exchange carriers are in even worse condition. 26. Likely beneficiaries will be smaller local phone companies, known as competitive local exchange carriers. 27. ;Local numbers : These are regular numbers within valid local exchanges in the communities listed. 28. The firm has until the last quarter of 1999 to complete its local exchange program. 29. A local exchange carrier normally sells package deals that include local and local toll calls. 30. Verizon also leases out their DSL lines for other 3rd party competitive local exchange carriers.
