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State regulators in Ariz. and Ind. took action to address phone n...

State regulators in Ariz. and Ind. took action to address phone number depletion. Ariz. Corporation Commission approved geographic split of 520 area code that will put Tucson and Yuma into separate codes. Tucson and its suburbs in Cochise, Pima,…

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Pinal and Santa Cruz Counties will keep 520. Yuma and rest of current area will be reassigned to new code starting June 23. Meanwhile, Ind. Utility Regulatory Commission (IURC) implemented process to reclaim 220,000 unused phone numbers from inventories of local service providers. IURC will review reports from national number administrator on assigned exchange prefixes that have gone unused for 6 months. IURC will ask carriers for proof that exchange codes have been activated or will be activated within 60 days, or that carriers return unused numbers to state pool for reassignment. IURC will start recovery process in already congested Indianapolis 219 code, and hopes to recover about 30,000 numbers. Later this year, it will seek to recover another 190,000 numbers in central and southern Ind. IURC said that even with number reclamation and other conservation measures in 219 area, relief via split or overlay would be necessary by early 2003, when code is projected to run out of numbers.