Where is area code 955 located
As of September 30, , there were prefixes available for assignment in the area code. Recognizing the substantial social and economic burdens associated with constant area code changes, the CPUC has taken steps to resolve the numbering crisis. Responding to widespread public outcry over the proliferation of new area codes, the CPUC suspended, beginning in December , all plans for new area codes previously approved.
In July , the CPUC adopted number conservation measures, including establishing number pools, fill rates, and sequential numbering. In addition, the CPUC has ordered number pools for an additional four other area codes during Number pooling allows telephone companies to receive numbers in smaller blocks than the traditional 10, numbers, enabling multiple providers to share a prefix, thereby utilizing this limited resource much more efficiently.
The technology that enables the network to support the assignment of smaller blocks is referred to as Local Number Portability or LNP. This same platform is utilized for number pooling. Thirteen of the top MSAs are located in California; the area code is located in one of them.
In the area codes with number pooling, wireline carriers participate in pooling and wireless carriers participate in the lottery or receive prefixes from Code Administration if no lottery. In the remaining area codes with rationing in effect, all phone companies participate in the lottery.
The CPUC has been aggressively setting up number pools. The CPUC also issued a more detailed schedule in February identifying the start dates for the nine number pools scheduled to begin in A pooling schedule has not yet been set for the area code. Once pooling is implemented in the area code, all wireline companies with numbers in rate centers located in top MSAs in will be required to donate 1,number blocks to the pooling administrator.
While FCC rules only require companies to donate numbers to a number pool in rate centers located in top MSAs, many companies have implemented LNP capability throughout their service territories. These companies could also donate or receive thousand-blocks in all rate centers in an area code's number pool, rather than just in the rate centers located within top MSAs.
Under the number pooling program, all LNP-capable carriers will receive numbers in blocks of 1, on an as-needed basis. There is no rationing process in the pool and the blocks received can be put into service almost immediately upon receipt.
All wireless carriers, as well as wireline carriers who decline to take part in pooling in the rate centers not located in a top MSA, will continue to receive numbers in blocks of 10, through the monthly lottery allocation process or from Code Administration in area codes without a lottery process.
While number pools have improved the efficiency of the distribution of numbers to companies, companies have not had strong incentives to efficiently manage the numbers already allocated to them.
Thus the CPUC ordered companies to improve number inventory management with measures including rules on fill rates and sequential numbering. In July , the CPUC issued Decision , which extended number conservation measures adopted in the area code to other area codes within California. These number conservation measures include the following:. In each rate center in which companies request additional numbers, they must provide to the NANPA a form demonstrating they will be out of numbers within six months.
TD anticipates these policies will potentially free more numbers for use in number pooling, to be allocated through the lottery or from Code Administration, or to be otherwise used by companies. Indeed, these measures together with the effects of number pooling have already achieved some positive effects. Another positive outcome is the recent increase in the number of prefixes in the area code being returned to NANPA by companies as mentioned in Section B. Therefore, the CPUC's number conservation policies pooling, fill rates, and sequential numbering are governed by the FCC's delegation of authority to the states.
As a result, the FCC has delegated authority to plan and implement area code changes, as well as authority to implement number conservation measures.
On April 26, , the CPUC filed a petition with the FCC requesting authority to institute number pools and other number conservation measures within the state to better manage this public resource. When the FCC granted the CPUC the authority to deploy various numbering resource optimization strategies, including the authority to institute thousand-block numbering pooling trials, it also clarified that California's authority will be superseded by future national measures adopted by the FCC.
The definitions of numbers and timelines for aging and reserved numbers that were adopted in that order have been incorporated into the utilization data cited herein. With the release of the first NRO Order, the FCC adopted a number of administrative and technical measures that will allow it to monitor more closely the way numbering resources are used and to promote more efficient use of numbering resources.
In particular, the FCC adopted a nationwide system for allocating numbers in blocks of one thousand, rather than ten thousand, wherever possible, and announced its intention to establish a plan for national rollout of thousand-block number pooling. Because the FCC recognized that state thousand-block number pools underway might not conform to the national standards set forth in the first NRO Order, the FCC gave state commissions until September 1, to conform their thousand-block number pools to the national framework.
The FCC also declined to adopt a transition period between the time that cellular carriers must implement LNP and the time they must participate in any mandatory number pooling. In its comments prior to the release of the first NRO Order, the CPUC had argued that California would be precluded from exploring whether number pooling could alleviate the crises for number resources in many parts of the state that are located outside the top MSAs.
This grant of authority to California would make pooling possible throughout the state. Currently, state commissions are constrained by the FCC from establishing an area code specifically for wireless telecommunications services.
In the area code, there are fifteen wireless carriers holding 60 prefixes. If the CPUC were allowed to create a separate area code for those companies, these 60 prefixes in the area code could be reassigned to other phone uses, thus prolonging the life of the existing area code.
In the Second Report and Order, the FCC asks for further comments on technology-specific or non-geographic area codes. Before requiring the residents and businesses of the area code to undergo another area code change, the CPUC recognized the necessity of determining the number of telephone numbers that are in use and the number yet to be used. The definitions used in the utilization study and a list of companies holding prefixes in the area code are in Appendix A.
Of the 7. The other 4. The CPUC's utilization study found that, of the 3. Therefore, 6. A portion of these unused numbers can be made available for use by all companies, either through pooling in the future or through allocation from Code Administration.
In addition, companies have reported 1. A portion of these unavailable numbers can be used more efficiently if the recommendations contained in this report are implemented. The CPUC asked 40 companies, holding prefixes 3. Of the 40 companies in the area code, 37 submitted utilization data. A list of the companies that have been allocated numbers in the area code appears in Appendix A The remaining three companies hold nine prefixes in the area code. The area code has 6.
Of these unused numbers, TD found that companies held 2. The remaining 4. The summary of available numbers is shown in the table below. Type 1 Carriers 21 26, Numbers Available for Allocation from Code Administration 2,, Numbers Set Aside for the Number Pool 1,, Total Available Numbers in the Area Code 6,, Not all of the 6. Of the 6. The remaining 1. As shown in the table below, the CPUC could shift the availability of numbers from one category to the other by adopting the recommendations 23 in this report.
Current technology requires a company to be LNP capable in order to donate numbers for another company to use. All wireline carriers in the area code are required to be LNP capable. However, not all of these 1. TD will not know how many of these 1. The difference between the potential maximum 1. The remaining , of the 1. However, companies can immediately use these numbers to provide service to their customers or meet other needs.
Wireless carriers hold , unused numbers in the area code. Until wireless carriers become LNP capable in November , none of these numbers may be reallocated to other companies. In the interim, wireless carriers may assign these numbers to their own customers.
TD analyzed the utilization data to determine the availability of numbers within blocks of different contamination rates in order to assess different contamination thresholds that the CPUC could apply to number pools. The following table summarizes available numbers by contamination level, by rate center, for wireline carriers. Rate Center. The first two numeric columns of Table show the potential numbers available to a future number pool, except for those numbers kept for companies' six-month inventory, under current rules.
Available numbers in one rate center cannot be used in another rate center. Table shows that all rate centers have available numbers that companies could donate to the pool.
TD cautions that, although Table shows potential results from increasing allowable contamination levels, further analysis and input from the industry would be necessary to determine accurately the quantity of additional blocks that could be added to the pool while still leaving companies with a six-month inventory.
Table shows available numbers in blocks of differing contamination levels held by wireless carriers. Of these , unused numbers held by wireless carriers, TD estimates that , TD staff is investigating whether there are methods to make some of these , unused numbers available to other carriers despite the FCC's exemption of paging companies from the LNP requirement. Viewing the utilization data suggests, that companies have not generally followed practices of sequential numbering and filling blocks substantially before using new blocks.
The CPUC's rules on sequential numbering and fill rate practices promulgated in Decision are designed to ensure that companies efficiently use their numbers in the future. Where companies possess significant available numbers in a given rate center, these two efficiency measures could prevent the opening of new blocks or prefixes. Companies reported utilization data as of December 31, The sequential numbering and fill rate decision was issued in July Some of these practices of non-sequential numbering and not filling blocks substantially before using new blocks may have happened before the July decision.
TD does not expect companies to continue contaminating blocks unnecessarily. Decision directed companies to return prefixes that are held unused for more than six months.
Of these unused numbers, , are in 24 whole prefixes 35 that are completely uncontaminated, i. The following table shows the breakdown between wireless and wireline carriers. Blocks Spare Prefixes Differing Prefixes. The , numbers in 24 spare prefixes can possibly be reclaimed if not used within six months. The FCC granted authority to state regulatory commissions to investigate and determine whether prefix holders have activated prefixes within the allowed time frames, and directed the NANPA to abide by the state commission's determination to reclaim a prefix if the state commission is satisfied that the prefix holder has not activated the prefix within the time specified in the first NRO Order.
In this ruling, the CPUC instructed the delinquent companies to comply immediately. Companies are to inform the CPUC either that the prefix es have been placed in service or returned, that the company was incorrectly included in the NANPA's delinquent list, or the reasons the prefix es have not been placed in service. The CPUC will review the reasons and make a determination as to whether the prefix es must be returned or reclaimed by the NANPA, or whether to grant an extension of time to the company to place the prefix es in service.
Any delinquent company that fails to comply will be subject to penalties and sanctions. In the following sections, TD recommends a series of policies designed to require companies to use unavailable numbers more efficiently.
These policies would potentially free more numbers for use in the future number pool, to be allocated from Code Administration, or to be used otherwise by companies. Companies report that 1. Companies commonly refer to these numbers as "unavailable". Unavailable numbers include not only those actually in use by customers, but also the following categories:. In its first NRO Order, the FCC ruled that companies must show that they have used a certain percentage of their existing inventory of numbers before they may obtain additional numbers in a given rate center.
This order specified that companies' utilization rates will be calculated using only assigned numbers in the numerator. This method greatly increases companies' incentive to use number sparingly for purposes of reserved, administrative, intermediate, or aging numbers; none of those uses will raise a company's utilization rate and enable it to obtain additional numbers.
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The first digit of designates the general area of the United States. The numbering starts from zero for the Northeast and increases upto nine as you move west. The next two digits refer to one of the distribution centers Sectional Center Facilities or SCFs , these centers are usually located close to airports or in large cities.
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